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---
id: docs
title: lodash documentation
---
<h1><a href="https://lodash.com/">lodash</a> <span>v<select onchange="location.href=this.selectedIndex?('https://github.com/lodash/lodash/blob/'+this.options[this.selectedIndex].value+'/doc/README.md'):'/docs'"><option value="3.9.3" selected>3.9.3</option><option value="2.4.1">2.4.1</option><option value="1.3.1">1.3.1</option></select></span></h1>
<div class="toc-container">
<div>
<h2 class="first-heading"><code>Array</code></h2>
<ul>
<li><a href="#chunk"><code>_.<span class="me1">chunk</span></code></a></li>
<li><a href="#compact"><code>_.<span class="me1">compact</span></code></a></li>
<li><a href="#difference"><code>_.<span class="me1">difference</span></code></a></li>
<li><a href="#drop"><code>_.<span class="me1">drop</span></code></a></li>
<li><a href="#dropRight"><code>_.<span class="me1">dropRight</span></code></a></li>
<li><a href="#dropRightWhile"><code>_.<span class="me1">dropRightWhile</span></code></a></li>
<li><a href="#dropWhile"><code>_.<span class="me1">dropWhile</span></code></a></li>
<li><a href="#fill"><code>_.<span class="me1">fill</span></code></a></li>
<li><a href="#findIndex"><code>_.<span class="me1">findIndex</span></code></a></li>
<li><a href="#findLastIndex"><code>_.<span class="me1">findLastIndex</span></code></a></li>
<li><a href="#first"><code>_.<span class="me1">first</span></code></a></li>
<li><a href="#flatten"><code>_.<span class="me1">flatten</span></code></a></li>
<li><a href="#flattenDeep"><code>_.<span class="me1">flattenDeep</span></code></a></li>
<li><a href="#first" class="alias"><code>_.<span class="me1">head</span></code> → <code>first</code></a></li>
<li><a href="#indexOf"><code>_.<span class="me1">indexOf</span></code></a></li>
<li><a href="#initial"><code>_.<span class="me1">initial</span></code></a></li>
<li><a href="#intersection"><code>_.<span class="me1">intersection</span></code></a></li>
<li><a href="#last"><code>_.<span class="me1">last</span></code></a></li>
<li><a href="#lastIndexOf"><code>_.<span class="me1">lastIndexOf</span></code></a></li>
<li><a href="#zipObject" class="alias"><code>_.<span class="me1">object</span></code> → <code>zipObject</code></a></li>
<li><a href="#pull"><code>_.<span class="me1">pull</span></code></a></li>
<li><a href="#pullAt"><code>_.<span class="me1">pullAt</span></code></a></li>
<li><a href="#remove"><code>_.<span class="me1">remove</span></code></a></li>
<li><a href="#rest"><code>_.<span class="me1">rest</span></code></a></li>
<li><a href="#slice"><code>_.<span class="me1">slice</span></code></a></li>
<li><a href="#sortedIndex"><code>_.<span class="me1">sortedIndex</span></code></a></li>
<li><a href="#sortedLastIndex"><code>_.<span class="me1">sortedLastIndex</span></code></a></li>
<li><a href="#rest" class="alias"><code>_.<span class="me1">tail</span></code> → <code>rest</code></a></li>
<li><a href="#take"><code>_.<span class="me1">take</span></code></a></li>
<li><a href="#takeRight"><code>_.<span class="me1">takeRight</span></code></a></li>
<li><a href="#takeRightWhile"><code>_.<span class="me1">takeRightWhile</span></code></a></li>
<li><a href="#takeWhile"><code>_.<span class="me1">takeWhile</span></code></a></li>
<li><a href="#union"><code>_.<span class="me1">union</span></code></a></li>
<li><a href="#uniq"><code>_.<span class="me1">uniq</span></code></a></li>
<li><a href="#uniq" class="alias"><code>_.<span class="me1">unique</span></code> → <code>uniq</code></a></li>
<li><a href="#unzip"><code>_.<span class="me1">unzip</span></code></a></li>
<li><a href="#unzipWith"><code>_.<span class="me1">unzipWith</span></code></a></li>
<li><a href="#without"><code>_.<span class="me1">without</span></code></a></li>
<li><a href="#xor"><code>_.<span class="me1">xor</span></code></a></li>
<li><a href="#zip"><code>_.<span class="me1">zip</span></code></a></li>
<li><a href="#zipObject"><code>_.<span class="me1">zipObject</span></code></a></li>
<li><a href="#zipWith"><code>_.<span class="me1">zipWith</span></code></a></li>
</ul>
</div>
<div>
<h2><code>Chain</code></h2>
<ul>
<li><a href="#_"><code>_</code></a></li>
<li><a href="#chain"><code>_.<span class="me1">chain</span></code></a></li>
<li><a href="#tap"><code>_.<span class="me1">tap</span></code></a></li>
<li><a href="#thru"><code>_.<span class="me1">thru</span></code></a></li>
<li><a href="#prototype-chain"><code>_.<span class="me1">prototype</span>.<span class="me1">chain</span></code></a></li>
<li><a href="#prototype-commit"><code>_.<span class="me1">prototype</span>.<span class="me1">commit</span></code></a></li>
<li><a href="#prototype-plant"><code>_.<span class="me1">prototype</span>.<span class="me1">plant</span></code></a></li>
<li><a href="#prototype-reverse"><code>_.<span class="me1">prototype</span>.<span class="me1">reverse</span></code></a></li>
<li><a href="#prototype-value" class="alias"><code>_.<span class="me1">prototype</span>.<span class="me1">run</span></code> → <code>value</code></a></li>
<li><a href="#prototype-value" class="alias"><code>_.<span class="me1">prototype</span>.<span class="me1">toJSON</span></code> → <code>value</code></a></li>
<li><a href="#prototype-toString"><code>_.<span class="me1">prototype</span>.<span class="me1">toString</span></code></a></li>
<li><a href="#prototype-value"><code>_.<span class="me1">prototype</span>.<span class="me1">value</span></code></a></li>
<li><a href="#prototype-value" class="alias"><code>_.<span class="me1">prototype</span>.<span class="me1">valueOf</span></code> → <code>value</code></a></li>
</ul>
</div>
<div>
<h2><code>Collection</code></h2>
<ul>
<li><a href="#every" class="alias"><code>_.<span class="me1">all</span></code> → <code>every</code></a></li>
<li><a href="#some" class="alias"><code>_.<span class="me1">any</span></code> → <code>some</code></a></li>
<li><a href="#at"><code>_.<span class="me1">at</span></code></a></li>
<li><a href="#map" class="alias"><code>_.<span class="me1">collect</span></code> → <code>map</code></a></li>
<li><a href="#includes" class="alias"><code>_.<span class="me1">contains</span></code> → <code>includes</code></a></li>
<li><a href="#countBy"><code>_.<span class="me1">countBy</span></code></a></li>
<li><a href="#find" class="alias"><code>_.<span class="me1">detect</span></code> → <code>find</code></a></li>
<li><a href="#forEach" class="alias"><code>_.<span class="me1">each</span></code> → <code>forEach</code></a></li>
<li><a href="#forEachRight" class="alias"><code>_.<span class="me1">eachRight</span></code> → <code>forEachRight</code></a></li>
<li><a href="#every"><code>_.<span class="me1">every</span></code></a></li>
<li><a href="#filter"><code>_.<span class="me1">filter</span></code></a></li>
<li><a href="#find"><code>_.<span class="me1">find</span></code></a></li>
<li><a href="#findLast"><code>_.<span class="me1">findLast</span></code></a></li>
<li><a href="#findWhere"><code>_.<span class="me1">findWhere</span></code></a></li>
<li><a href="#reduce" class="alias"><code>_.<span class="me1">foldl</span></code> → <code>reduce</code></a></li>
<li><a href="#reduceRight" class="alias"><code>_.<span class="me1">foldr</span></code> → <code>reduceRight</code></a></li>
<li><a href="#forEach"><code>_.<span class="me1">forEach</span></code></a></li>
<li><a href="#forEachRight"><code>_.<span class="me1">forEachRight</span></code></a></li>
<li><a href="#groupBy"><code>_.<span class="me1">groupBy</span></code></a></li>
<li><a href="#includes" class="alias"><code>_.<span class="me1">include</span></code> → <code>includes</code></a></li>
<li><a href="#includes"><code>_.<span class="me1">includes</span></code></a></li>
<li><a href="#indexBy"><code>_.<span class="me1">indexBy</span></code></a></li>
<li><a href="#reduce" class="alias"><code>_.<span class="me1">inject</span></code> → <code>reduce</code></a></li>
<li><a href="#invoke"><code>_.<span class="me1">invoke</span></code></a></li>
<li><a href="#map"><code>_.<span class="me1">map</span></code></a></li>
<li><a href="#partition"><code>_.<span class="me1">partition</span></code></a></li>
<li><a href="#pluck"><code>_.<span class="me1">pluck</span></code></a></li>
<li><a href="#reduce"><code>_.<span class="me1">reduce</span></code></a></li>
<li><a href="#reduceRight"><code>_.<span class="me1">reduceRight</span></code></a></li>
<li><a href="#reject"><code>_.<span class="me1">reject</span></code></a></li>
<li><a href="#sample"><code>_.<span class="me1">sample</span></code></a></li>
<li><a href="#filter" class="alias"><code>_.<span class="me1">select</span></code> → <code>filter</code></a></li>
<li><a href="#shuffle"><code>_.<span class="me1">shuffle</span></code></a></li>
<li><a href="#size"><code>_.<span class="me1">size</span></code></a></li>
<li><a href="#some"><code>_.<span class="me1">some</span></code></a></li>
<li><a href="#sortBy"><code>_.<span class="me1">sortBy</span></code></a></li>
<li><a href="#sortByAll"><code>_.<span class="me1">sortByAll</span></code></a></li>
<li><a href="#sortByOrder"><code>_.<span class="me1">sortByOrder</span></code></a></li>
<li><a href="#where"><code>_.<span class="me1">where</span></code></a></li>
</ul>
</div>
<div>
<h2><code>Date</code></h2>
<ul>
<li><a href="#now"><code>_.<span class="me1">now</span></code></a></li>
</ul>
</div>
<div>
<h2><code><span class="kw2">Function</span></code></h2>
<ul>
<li><a href="#after"><code>_.<span class="me1">after</span></code></a></li>
<li><a href="#ary"><code>_.<span class="me1">ary</span></code></a></li>
<li><a href="#flowRight" class="alias"><code>_.<span class="me1">backflow</span></code> → <code>flowRight</code></a></li>
<li><a href="#before"><code>_.<span class="me1">before</span></code></a></li>
<li><a href="#bind"><code>_.<span class="me1">bind</span></code></a></li>
<li><a href="#bindAll"><code>_.<span class="me1">bindAll</span></code></a></li>
<li><a href="#bindKey"><code>_.<span class="me1">bindKey</span></code></a></li>
<li><a href="#flowRight" class="alias"><code>_.<span class="me1">compose</span></code> → <code>flowRight</code></a></li>
<li><a href="#curry"><code>_.<span class="me1">curry</span></code></a></li>
<li><a href="#curryRight"><code>_.<span class="me1">curryRight</span></code></a></li>
<li><a href="#debounce"><code>_.<span class="me1">debounce</span></code></a></li>
<li><a href="#defer"><code>_.<span class="me1">defer</span></code></a></li>
<li><a href="#delay"><code>_.<span class="me1">delay</span></code></a></li>
<li><a href="#flow"><code>_.<span class="me1">flow</span></code></a></li>
<li><a href="#flowRight"><code>_.<span class="me1">flowRight</span></code></a></li>
<li><a href="#memoize"><code>_.<span class="me1">memoize</span></code></a></li>
<li><a href="#negate"><code>_.<span class="me1">negate</span></code></a></li>
<li><a href="#once"><code>_.<span class="me1">once</span></code></a></li>
<li><a href="#partial"><code>_.<span class="me1">partial</span></code></a></li>
<li><a href="#partialRight"><code>_.<span class="me1">partialRight</span></code></a></li>
<li><a href="#rearg"><code>_.<span class="me1">rearg</span></code></a></li>
<li><a href="#restParam"><code>_.<span class="me1">restParam</span></code></a></li>
<li><a href="#spread"><code>_.<span class="me1">spread</span></code></a></li>
<li><a href="#throttle"><code>_.<span class="me1">throttle</span></code></a></li>
<li><a href="#wrap"><code>_.<span class="me1">wrap</span></code></a></li>
</ul>
</div>
<div>
<h2><code>Lang</code></h2>
<ul>
<li><a href="#clone"><code>_.<span class="me1">clone</span></code></a></li>
<li><a href="#cloneDeep"><code>_.<span class="me1">cloneDeep</span></code></a></li>
<li><a href="#isEqual" class="alias"><code>_.<span class="me1">eq</span></code> → <code>isEqual</code></a></li>
<li><a href="#gt"><code>_.<span class="me1">gt</span></code></a></li>
<li><a href="#gte"><code>_.<span class="me1">gte</span></code></a></li>
<li><a href="#isArguments"><code>_.<span class="me1">isArguments</span></code></a></li>
<li><a href="#isArray"><code>_.<span class="me1">isArray</span></code></a></li>
<li><a href="#isBoolean"><code>_.<span class="me1">isBoolean</span></code></a></li>
<li><a href="#isDate"><code>_.<span class="me1">isDate</span></code></a></li>
<li><a href="#isElement"><code>_.<span class="me1">isElement</span></code></a></li>
<li><a href="#isEmpty"><code>_.<span class="me1">isEmpty</span></code></a></li>
<li><a href="#isEqual"><code>_.<span class="me1">isEqual</span></code></a></li>
<li><a href="#isError"><code>_.<span class="me1">isError</span></code></a></li>
<li><a href="#isFinite"><code>_.<span class="me1">isFinite</span></code></a></li>
<li><a href="#isFunction"><code>_.<span class="me1">isFunction</span></code></a></li>
<li><a href="#isMatch"><code>_.<span class="me1">isMatch</span></code></a></li>
<li><a href="#isNaN"><code>_.<span class="me1">isNaN</span></code></a></li>
<li><a href="#isNative"><code>_.<span class="me1">isNative</span></code></a></li>
<li><a href="#isNull"><code>_.<span class="me1">isNull</span></code></a></li>
<li><a href="#isNumber"><code>_.<span class="me1">isNumber</span></code></a></li>
<li><a href="#isObject"><code>_.<span class="me1">isObject</span></code></a></li>
<li><a href="#isPlainObject"><code>_.<span class="me1">isPlainObject</span></code></a></li>
<li><a href="#isRegExp"><code>_.<span class="me1">isRegExp</span></code></a></li>
<li><a href="#isString"><code>_.<span class="me1">isString</span></code></a></li>
<li><a href="#isTypedArray"><code>_.<span class="me1">isTypedArray</span></code></a></li>
<li><a href="#isUndefined"><code>_.<span class="me1">isUndefined</span></code></a></li>
<li><a href="#lt"><code>_.<span class="me1">lt</span></code></a></li>
<li><a href="#lte"><code>_.<span class="me1">lte</span></code></a></li>
<li><a href="#toArray"><code>_.<span class="me1">toArray</span></code></a></li>
<li><a href="#toPlainObject"><code>_.<span class="me1">toPlainObject</span></code></a></li>
</ul>
</div>
<div>
<h2><code>Math</code></h2>
<ul>
<li><a href="#add"><code>_.<span class="me1">add</span></code></a></li>
<li><a href="#max"><code>_.<span class="me1">max</span></code></a></li>
<li><a href="#min"><code>_.<span class="me1">min</span></code></a></li>
<li><a href="#sum"><code>_.<span class="me1">sum</span></code></a></li>
</ul>
</div>
<div>
<h2><code>Number</code></h2>
<ul>
<li><a href="#inRange"><code>_.<span class="me1">inRange</span></code></a></li>
<li><a href="#random"><code>_.<span class="me1">random</span></code></a></li>
</ul>
</div>
<div>
<h2><code>Object</code></h2>
<ul>
<li><a href="#assign"><code>_.<span class="me1">assign</span></code></a></li>
<li><a href="#create"><code>_.<span class="me1">create</span></code></a></li>
<li><a href="#defaults"><code>_.<span class="me1">defaults</span></code></a></li>
<li><a href="#assign" class="alias"><code>_.<span class="me1">extend</span></code> → <code>assign</code></a></li>
<li><a href="#findKey"><code>_.<span class="me1">findKey</span></code></a></li>
<li><a href="#findLastKey"><code>_.<span class="me1">findLastKey</span></code></a></li>
<li><a href="#forIn"><code>_.<span class="me1">forIn</span></code></a></li>
<li><a href="#forInRight"><code>_.<span class="me1">forInRight</span></code></a></li>
<li><a href="#forOwn"><code>_.<span class="me1">forOwn</span></code></a></li>
<li><a href="#forOwnRight"><code>_.<span class="me1">forOwnRight</span></code></a></li>
<li><a href="#functions"><code>_.<span class="me1">functions</span></code></a></li>
<li><a href="#get"><code>_.<span class="me1">get</span></code></a></li>
<li><a href="#has"><code>_.<span class="me1">has</span></code></a></li>
<li><a href="#invert"><code>_.<span class="me1">invert</span></code></a></li>
<li><a href="#keys"><code>_.<span class="me1">keys</span></code></a></li>
<li><a href="#keysIn"><code>_.<span class="me1">keysIn</span></code></a></li>
<li><a href="#mapKeys"><code>_.<span class="me1">mapKeys</span></code></a></li>
<li><a href="#mapValues"><code>_.<span class="me1">mapValues</span></code></a></li>
<li><a href="#merge"><code>_.<span class="me1">merge</span></code></a></li>
<li><a href="#functions" class="alias"><code>_.<span class="me1">methods</span></code> → <code>functions</code></a></li>
<li><a href="#omit"><code>_.<span class="me1">omit</span></code></a></li>
<li><a href="#pairs"><code>_.<span class="me1">pairs</span></code></a></li>
<li><a href="#pick"><code>_.<span class="me1">pick</span></code></a></li>
<li><a href="#result"><code>_.<span class="me1">result</span></code></a></li>
<li><a href="#set"><code>_.<span class="me1">set</span></code></a></li>
<li><a href="#transform"><code>_.<span class="me1">transform</span></code></a></li>
<li><a href="#values"><code>_.<span class="me1">values</span></code></a></li>
<li><a href="#valuesIn"><code>_.<span class="me1">valuesIn</span></code></a></li>
</ul>
</div>
<div>
<h2><code>String</code></h2>
<ul>
<li><a href="#camelCase"><code>_.<span class="me1">camelCase</span></code></a></li>
<li><a href="#capitalize"><code>_.<span class="me1">capitalize</span></code></a></li>
<li><a href="#deburr"><code>_.<span class="me1">deburr</span></code></a></li>
<li><a href="#endsWith"><code>_.<span class="me1">endsWith</span></code></a></li>
<li><a href="#escape"><code>_.<span class="me1">escape</span></code></a></li>
<li><a href="#escapeRegExp"><code>_.<span class="me1">escapeRegExp</span></code></a></li>
<li><a href="#kebabCase"><code>_.<span class="me1">kebabCase</span></code></a></li>
<li><a href="#pad"><code>_.<span class="me1">pad</span></code></a></li>
<li><a href="#padLeft"><code>_.<span class="me1">padLeft</span></code></a></li>
<li><a href="#padRight"><code>_.<span class="me1">padRight</span></code></a></li>
<li><a href="#parseInt"><code>_.<span class="me1">parseInt</span></code></a></li>
<li><a href="#repeat"><code>_.<span class="me1">repeat</span></code></a></li>
<li><a href="#snakeCase"><code>_.<span class="me1">snakeCase</span></code></a></li>
<li><a href="#startCase"><code>_.<span class="me1">startCase</span></code></a></li>
<li><a href="#startsWith"><code>_.<span class="me1">startsWith</span></code></a></li>
<li><a href="#template"><code>_.<span class="me1">template</span></code></a></li>
<li><a href="#trim"><code>_.<span class="me1">trim</span></code></a></li>
<li><a href="#trimLeft"><code>_.<span class="me1">trimLeft</span></code></a></li>
<li><a href="#trimRight"><code>_.<span class="me1">trimRight</span></code></a></li>
<li><a href="#trunc"><code>_.<span class="me1">trunc</span></code></a></li>
<li><a href="#unescape"><code>_.<span class="me1">unescape</span></code></a></li>
<li><a href="#words"><code>_.<span class="me1">words</span></code></a></li>
</ul>
</div>
<div>
<h2><code>Utility</code></h2>
<ul>
<li><a href="#attempt"><code>_.<span class="me1">attempt</span></code></a></li>
<li><a href="#callback"><code>_.<span class="me1">callback</span></code></a></li>
<li><a href="#constant"><code>_.<span class="me1">constant</span></code></a></li>
<li><a href="#identity"><code>_.<span class="me1">identity</span></code></a></li>
<li><a href="#callback" class="alias"><code>_.<span class="me1">iteratee</span></code> → <code>callback</code></a></li>
<li><a href="#matches"><code>_.<span class="me1">matches</span></code></a></li>
<li><a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a></li>
<li><a href="#method"><code>_.<span class="me1">method</span></code></a></li>
<li><a href="#methodOf"><code>_.<span class="me1">methodOf</span></code></a></li>
<li><a href="#mixin"><code>_.<span class="me1">mixin</span></code></a></li>
<li><a href="#noConflict"><code>_.<span class="me1">noConflict</span></code></a></li>
<li><a href="#noop"><code>_.<span class="me1">noop</span></code></a></li>
<li><a href="#property"><code>_.<span class="me1">property</span></code></a></li>
<li><a href="#propertyOf"><code>_.<span class="me1">propertyOf</span></code></a></li>
<li><a href="#range"><code>_.<span class="me1">range</span></code></a></li>
<li><a href="#runInContext"><code>_.<span class="me1">runInContext</span></code></a></li>
<li><a href="#times"><code>_.<span class="me1">times</span></code></a></li>
<li><a href="#uniqueId"><code>_.<span class="me1">uniqueId</span></code></a></li>
</ul>
</div>
<div>
<h2><code>Methods</code></h2>
<ul>
<li><a href="#templateSettings-imports-_"><code>_.<span class="me1">templateSettings</span>.<span class="me1">imports</span>._</code></a></li>
</ul>
</div>
<div>
<h2><code>Properties</code></h2>
<ul>
<li><a href="#VERSION"><code>_.<span class="me1">VERSION</span></code></a></li>
<li><a href="#support"><code>_.<span class="me1">support</span></code></a></li>
<li><a href="#support-argsTag"><code>_.<span class="me1">support</span>.<span class="me1">argsTag</span></code></a></li>
<li><a href="#support-enumErrorProps"><code>_.<span class="me1">support</span>.<span class="me1">enumErrorProps</span></code></a></li>
<li><a href="#support-enumPrototypes"><code>_.<span class="me1">support</span>.<span class="me1">enumPrototypes</span></code></a></li>
<li><a href="#support-nodeTag"><code>_.<span class="me1">support</span>.<span class="me1">nodeTag</span></code></a></li>
<li><a href="#support-nonEnumShadows"><code>_.<span class="me1">support</span>.<span class="me1">nonEnumShadows</span></code></a></li>
<li><a href="#support-ownLast"><code>_.<span class="me1">support</span>.<span class="me1">ownLast</span></code></a></li>
<li><a href="#support-spliceObjects"><code>_.<span class="me1">support</span>.<span class="me1">spliceObjects</span></code></a></li>
<li><a href="#support-unindexedChars"><code>_.<span class="me1">support</span>.<span class="me1">unindexedChars</span></code></a></li>
<li><a href="#templateSettings"><code>_.<span class="me1">templateSettings</span></code></a></li>
<li><a href="#templateSettings-escape"><code>_.<span class="me1">templateSettings</span>.<span class="me1">escape</span></code></a></li>
<li><a href="#templateSettings-evaluate"><code>_.<span class="me1">templateSettings</span>.<span class="me1">evaluate</span></code></a></li>
<li><a href="#templateSettings-imports"><code>_.<span class="me1">templateSettings</span>.<span class="me1">imports</span></code></a></li>
<li><a href="#templateSettings-interpolate"><code>_.<span class="me1">templateSettings</span>.<span class="me1">interpolate</span></code></a></li>
<li><a href="#templateSettings-variable"><code>_.<span class="me1">templateSettings</span>.<span class="me1">variable</span></code></a></li>
</ul>
</div>
</div>
<div class="doc-container">
<div>
<h2 class="first-heading"><code>“Array” Methods</code></h2>
<div>
<h3><a id="chunk"></a><code>_.<span class="me1">chunk</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>size<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#chunk">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4651" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.chunk" title="See the npm package">Ⓝ</a></p>
<p>Creates an array of elements split into groups the length of <code>size</code>.
If <code>collection</code> can’t be split evenly, the final chunk will be the remaining
elements.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to process.</li>
<li><code><span class="br0">[</span>size<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span></code> <em>(number)</em>: The length of each chunk.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array containing chunks.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">chunk</span><span class="br0">(</span><span class="br0">[</span><span class="st0">'a'</span><span class="sy0">,</span> <span class="st0">'b'</span><span class="sy0">,</span> <span class="st0">'c'</span><span class="sy0">,</span> <span class="st0">'d'</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [['a', 'b'], ['c', 'd']]</span><br><br>_.<span class="me1">chunk</span><span class="br0">(</span><span class="br0">[</span><span class="st0">'a'</span><span class="sy0">,</span> <span class="st0">'b'</span><span class="sy0">,</span> <span class="st0">'c'</span><span class="sy0">,</span> <span class="st0">'d'</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [['a', 'b', 'c'], ['d']]</span></code></pre>
<hr />
</div>
<div>
<h3><a id="compact"></a><code>_.<span class="me1">compact</span><span class="br0">(</span>array<span class="br0">)</span></code></h3>
<p><a href="#compact">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4682" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.compact" title="See the npm package">Ⓝ</a></p>
<p>Creates an array with all falsey values removed. The values <code><span class="kw2">false</span></code>, <code><span class="kw2">null</span></code>,
<code>0</code>, <code><span class="st0">""</span></code>, <code>undefined</code>, and <code>NaN</code> are falsey.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to compact.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of filtered values.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">compact</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">0</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="kw2">false</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="st0">''</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 3]</span></code></pre>
<hr />
</div>
<div>
<h3><a id="difference"></a><code>_.<span class="me1">difference</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>values<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#difference">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4713" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.difference" title="See the npm package">Ⓝ</a></p>
<p>Creates an array of unique <code>array</code> values not included in the other
provided arrays using <a href="https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code><span class="br0">[</span>values<span class="br0">]</span></code> <em>(…Array)</em>: The arrays of values to exclude.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of filtered values.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">difference</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">4</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 3]</span></code></pre>
<hr />
</div>
<div>
<h3><a id="drop"></a><code>_.<span class="me1">drop</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>n<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#drop">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4743" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.drop" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> with <code>n</code> elements dropped from the beginning.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code><span class="br0">[</span>n<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span></code> <em>(number)</em>: The number of elements to drop.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">drop</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [2, 3]</span><br><br>_.<span class="me1">drop</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [3]</span><br><br>_.<span class="me1">drop</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">5</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → []</span><br><br>_.<span class="me1">drop</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 3]</span></code></pre>
<hr />
</div>
<div>
<h3><a id="dropRight"></a><code>_.<span class="me1">dropRight</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>n<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#dropRight">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4778" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.dropright" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> with <code>n</code> elements dropped from the end.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code><span class="br0">[</span>n<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span></code> <em>(number)</em>: The number of elements to drop.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">dropRight</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2]</span><br><br>_.<span class="me1">dropRight</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1]</span><br><br>_.<span class="me1">dropRight</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">5</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → []</span><br><br>_.<span class="me1">dropRight</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 3]</span></code></pre>
<hr />
</div>
<div>
<h3><a id="dropRightWhile"></a><code>_.<span class="me1">dropRightWhile</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#dropRightWhile">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4839" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.droprightwhile" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> excluding elements dropped from the end.
Elements are dropped until <code>predicate</code> returns falsey. The predicate is
bound to <code>thisArg</code> and invoked with three arguments: (value, index, array).
<br>
<br>
If a property name is provided for <code>predicate</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>predicate</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that match the properties of the given
object, else <code><span class="kw2">false</span></code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code><span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>predicate</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">dropRightWhile</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>n<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> n <span class="sy0">></span> <span class="nu0">1</span><span class="sy0">;</span><br><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1]</span><br><br><span class="kw2">var</span> users <span class="sy0">=</span> <span class="br0">[</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">true</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'fred'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'pebbles'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><br><span class="br0">]</span><span class="sy0">;</span><br><br><span class="co1">// using the `_.matches` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">dropRightWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'pebbles'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['barney', 'fred']</span><br><br><span class="co1">// using the `_.matchesProperty` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">dropRightWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">,</span> <span class="kw2">false</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['barney']</span><br><br><span class="co1">// using the `_.property` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">dropRightWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['barney', 'fred', 'pebbles']</span></code></pre>
<hr />
</div>
<div>
<h3><a id="dropWhile"></a><code>_.<span class="me1">dropWhile</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#dropWhile">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4894" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.dropwhile" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> excluding elements dropped from the beginning.
Elements are dropped until <code>predicate</code> returns falsey. The predicate is
bound to <code>thisArg</code> and invoked with three arguments: (value, index, array).
<br>
<br>
If a property name is provided for <code>predicate</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>predicate</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that have the properties of the given
object, else <code><span class="kw2">false</span></code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code><span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>predicate</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">dropWhile</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>n<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> n <span class="sy0"><</span> <span class="nu0">3</span><span class="sy0">;</span><br><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [3]</span><br><br><span class="kw2">var</span> users <span class="sy0">=</span> <span class="br0">[</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'fred'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'pebbles'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">true</span> <span class="br0">}</span><br><span class="br0">]</span><span class="sy0">;</span><br><br><span class="co1">// using the `_.matches` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">dropWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['fred', 'pebbles']</span><br><br><span class="co1">// using the `_.matchesProperty` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">dropWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">,</span> <span class="kw2">false</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['pebbles']</span><br><br><span class="co1">// using the `_.property` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">dropWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['barney', 'fred', 'pebbles']</span></code></pre>
<hr />
</div>
<div>
<h3><a id="fill"></a><code>_.<span class="me1">fill</span><span class="br0">(</span>array<span class="sy0">,</span> value<span class="sy0">,</span> <span class="br0">[</span>start<span class="sy0">=</span><span class="nu0">0</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>end<span class="sy0">=</span>array.<span class="me1">length</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#fill">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4928" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.fill" title="See the npm package">Ⓝ</a></p>
<p>Fills elements of <code>array</code> with <code>value</code> from <code>start</code> up to, but not
including, <code>end</code>.
<br>
<br>
<strong>Note:</strong> This method mutates <code>array</code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to fill.</li>
<li><code>value</code> <em>(*)</em>: The value to fill <code>array</code> with.</li>
<li><code><span class="br0">[</span>start<span class="sy0">=</span><span class="nu0">0</span><span class="br0">]</span></code> <em>(number)</em>: The start position.</li>
<li><code><span class="br0">[</span>end<span class="sy0">=</span>array.<span class="me1">length</span><span class="br0">]</span></code> <em>(number)</em>: The end position.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns <code>array</code>.</p>
<h4>Example</h4>
<pre><code><span class="kw2">var</span> array <span class="sy0">=</span> <span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">;</span><br><br>_.<span class="me1">fill</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="st0">'a'</span><span class="br0">)</span><span class="sy0">;</span><br>console.<span class="me1">log</span><span class="br0">(</span>array<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['a', 'a', 'a']</span><br><br>_.<span class="me1">fill</span><span class="br0">(</span>Array<span class="br0">(</span><span class="nu0">3</span><span class="br0">)</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [2, 2, 2]</span><br><br>_.<span class="me1">fill</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">4</span><span class="sy0">,</span> <span class="nu0">6</span><span class="sy0">,</span> <span class="nu0">8</span><span class="br0">]</span><span class="sy0">,</span> <span class="st0">'*'</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [4, '*', 8]</span></code></pre>
<hr />
</div>
<div>
<h3><a id="findIndex"></a><code>_.<span class="me1">findIndex</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#findIndex">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L4988" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.findindex" title="See the npm package">Ⓝ</a></p>
<p>This method is like <a href="#find"><code>_.<span class="me1">find</span></code></a> except that it returns the index of the first
element <code>predicate</code> returns truthy for instead of the element itself.
<br>
<br>
If a property name is provided for <code>predicate</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>predicate</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that have the properties of the given
object, else <code><span class="kw2">false</span></code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to search.</li>
<li><code><span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>predicate</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index of the found element, else <code><span class="sy0">-</span><span class="nu0">1</span></code>.</p>
<h4>Example</h4>
<pre><code><span class="kw2">var</span> users <span class="sy0">=</span> <span class="br0">[</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'fred'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'pebbles'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">true</span> <span class="br0">}</span><br><span class="br0">]</span><span class="sy0">;</span><br><br>_.<span class="me1">findIndex</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>chr<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> chr.<span class="me1">user</span> <span class="sy0">==</span> <span class="st0">'barney'</span><span class="sy0">;</span><br><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 0</span><br><br><span class="co1">// using the `_.matches` callback shorthand</span><br>_.<span class="me1">findIndex</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'fred'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 1</span><br><br><span class="co1">// using the `_.matchesProperty` callback shorthand</span><br>_.<span class="me1">findIndex</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">,</span> <span class="kw2">false</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 0</span><br><br><span class="co1">// using the `_.property` callback shorthand</span><br>_.<span class="me1">findIndex</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 2</span></code></pre>
<hr />
</div>
<div>
<h3><a id="findLastIndex"></a><code>_.<span class="me1">findLastIndex</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#findLastIndex">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5038" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.findlastindex" title="See the npm package">Ⓝ</a></p>
<p>This method is like <a href="#findIndex"><code>_.<span class="me1">findIndex</span></code></a> except that it iterates over elements
of <code>collection</code> from right to left.
<br>
<br>
If a property name is provided for <code>predicate</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>predicate</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that have the properties of the given
object, else <code><span class="kw2">false</span></code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to search.</li>
<li><code><span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>predicate</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index of the found element, else <code><span class="sy0">-</span><span class="nu0">1</span></code>.</p>
<h4>Example</h4>
<pre><code><span class="kw2">var</span> users <span class="sy0">=</span> <span class="br0">[</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">true</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'fred'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'pebbles'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><br><span class="br0">]</span><span class="sy0">;</span><br><br>_.<span class="me1">findLastIndex</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>chr<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> chr.<span class="me1">user</span> <span class="sy0">==</span> <span class="st0">'pebbles'</span><span class="sy0">;</span><br><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 2</span><br><br><span class="co1">// using the `_.matches` callback shorthand</span><br>_.<span class="me1">findLastIndex</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">true</span> <span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 0</span><br><br><span class="co1">// using the `_.matchesProperty` callback shorthand</span><br>_.<span class="me1">findLastIndex</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">,</span> <span class="kw2">false</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 2</span><br><br><span class="co1">// using the `_.property` callback shorthand</span><br>_.<span class="me1">findLastIndex</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 0</span></code></pre>
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<div>
<h3><a id="first"></a><code>_.<span class="me1">first</span><span class="br0">(</span>array<span class="br0">)</span></code></h3>
<p><a href="#first">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5057" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.first" title="See the npm package">Ⓝ</a></p>
<p>Gets the first element of <code>array</code>.</p>
<h4>Aliases</h4>
<p><em>_.head</em></p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
</ol>
<h4>Returns</h4>
<p><em>(*)</em>: Returns the first element of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">first</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 1</span><br><br>_.<span class="me1">first</span><span class="br0">(</span><span class="br0">[</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → undefined</span></code></pre>
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<div>
<h3><a id="flatten"></a><code>_.<span class="me1">flatten</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>isDeep<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#flatten">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5081" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.flatten" title="See the npm package">Ⓝ</a></p>
<p>Flattens a nested array. If <code>isDeep</code> is <code><span class="kw2">true</span></code> the array is recursively
flattened, otherwise it is only flattened a single level.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to flatten.</li>
<li><code><span class="br0">[</span>isDeep<span class="br0">]</span></code> <em>(boolean)</em>: Specify a deep flatten.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new flattened array.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">flatten</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">4</span><span class="br0">]</span><span class="br0">]</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 3, [4]]</span><br><br><span class="co1">// using `isDeep`</span><br>_.<span class="me1">flatten</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">4</span><span class="br0">]</span><span class="br0">]</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw2">true</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 3, 4]</span></code></pre>
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<div>
<h3><a id="flattenDeep"></a><code>_.<span class="me1">flattenDeep</span><span class="br0">(</span>array<span class="br0">)</span></code></h3>
<p><a href="#flattenDeep">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5102" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.flattendeep" title="See the npm package">Ⓝ</a></p>
<p>Recursively flattens a nested array.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to recursively flatten.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new flattened array.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">flattenDeep</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">4</span><span class="br0">]</span><span class="br0">]</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 3, 4]</span></code></pre>
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<h3><a id="indexOf"></a><code>_.<span class="me1">indexOf</span><span class="br0">(</span>array<span class="sy0">,</span> value<span class="sy0">,</span> <span class="br0">[</span>fromIndex<span class="sy0">=</span><span class="nu0">0</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#indexOf">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5135" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.indexof" title="See the npm package">Ⓝ</a></p>
<p>Gets the index at which the first occurrence of <code>value</code> is found in <code>array</code>
using <a href="https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons. If <code>fromIndex</code> is negative, it is used as the offset
from the end of <code>array</code>. If <code>array</code> is sorted providing <code><span class="kw2">true</span></code> for <code>fromIndex</code>
performs a faster binary search.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to search.</li>
<li><code>value</code> <em>(*)</em>: The value to search for.</li>
<li><code><span class="br0">[</span>fromIndex<span class="sy0">=</span><span class="nu0">0</span><span class="br0">]</span></code> <em>(boolean|number)</em>: The index to search from or <code><span class="kw2">true</span></code> to perform a binary search on a sorted array.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index of the matched value, else <code><span class="sy0">-</span><span class="nu0">1</span></code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">indexOf</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 1</span><br><br><span class="co1">// using `fromIndex`</span><br>_.<span class="me1">indexOf</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 3</span><br><br><span class="co1">// performing a binary search</span><br>_.<span class="me1">indexOf</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="kw2">true</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 2</span></code></pre>
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<h3><a id="initial"></a><code>_.<span class="me1">initial</span><span class="br0">(</span>array<span class="br0">)</span></code></h3>
<p><a href="#initial">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5167" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.initial" title="See the npm package">Ⓝ</a></p>
<p>Gets all but the last element of <code>array</code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">initial</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2]</span></code></pre>
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<h3><a id="intersection"></a><code>_.<span class="me1">intersection</span><span class="br0">(</span><span class="br0">[</span>arrays<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#intersection">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5185" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.intersection" title="See the npm package">Ⓝ</a></p>
<p>Creates an array of unique values that are included in all of the provided
arrays using <a href="https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons.</p>
<h4>Arguments</h4>
<ol>
<li><code><span class="br0">[</span>arrays<span class="br0">]</span></code> <em>(…Array)</em>: The arrays to inspect.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of shared values.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">intersection</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">4</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">1</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [2]</span></code></pre>
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<h3><a id="last"></a><code>_.<span class="me1">last</span><span class="br0">(</span>array<span class="br0">)</span></code></h3>
<p><a href="#last">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5235" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.last" title="See the npm package">Ⓝ</a></p>
<p>Gets the last element of <code>array</code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
</ol>
<h4>Returns</h4>
<p><em>(*)</em>: Returns the last element of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">last</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 3</span></code></pre>
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<h3><a id="lastIndexOf"></a><code>_.<span class="me1">lastIndexOf</span><span class="br0">(</span>array<span class="sy0">,</span> value<span class="sy0">,</span> <span class="br0">[</span>fromIndex<span class="sy0">=</span>array.<span class="me1">length</span><span class="sy0">-</span><span class="nu0">1</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#lastIndexOf">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5265" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.lastindexof" title="See the npm package">Ⓝ</a></p>
<p>This method is like <a href="#indexOf"><code>_.<span class="me1">indexOf</span></code></a> except that it iterates over elements of
<code>array</code> from right to left.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to search.</li>
<li><code>value</code> <em>(*)</em>: The value to search for.</li>
<li><code><span class="br0">[</span>fromIndex<span class="sy0">=</span>array.<span class="me1">length</span><span class="sy0">-</span><span class="nu0">1</span><span class="br0">]</span></code> <em>(boolean|number)</em>: The index to search from or <code><span class="kw2">true</span></code> to perform a binary search on a sorted array.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index of the matched value, else <code><span class="sy0">-</span><span class="nu0">1</span></code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">lastIndexOf</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 3</span><br><br><span class="co1">// using `fromIndex`</span><br>_.<span class="me1">lastIndexOf</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 1</span><br><br><span class="co1">// performing a binary search</span><br>_.<span class="me1">lastIndexOf</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="kw2">true</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 3</span></code></pre>
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<h3><a id="pull"></a><code>_.<span class="me1">pull</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>values<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#pull">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5313" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.pull" title="See the npm package">Ⓝ</a></p>
<p>Removes all provided values from <code>array</code> using
<a href="https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#without"><code>_.<span class="me1">without</span></code></a>, this method mutates <code>array</code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to modify.</li>
<li><code><span class="br0">[</span>values<span class="br0">]</span></code> <em>(…*)</em>: The values to remove.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns <code>array</code>.</p>
<h4>Example</h4>
<pre><code><span class="kw2">var</span> array <span class="sy0">=</span> <span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">;</span><br><br>_.<span class="me1">pull</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">)</span><span class="sy0">;</span><br>console.<span class="me1">log</span><span class="br0">(</span>array<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 1]</span></code></pre>
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<div>
<h3><a id="pullAt"></a><code>_.<span class="me1">pullAt</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>indexes<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#pullAt">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5360" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.pullat" title="See the npm package">Ⓝ</a></p>
<p>Removes elements from <code>array</code> corresponding to the given indexes and returns
an array of the removed elements. Indexes may be specified as an array of
indexes or as individual arguments.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#at"><code>_.<span class="me1">at</span></code></a>, this method mutates <code>array</code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to modify.</li>
<li><code><span class="br0">[</span>indexes<span class="br0">]</span></code> <em>(…(number|number[])</em>: The indexes of elements to remove, specified as individual indexes or arrays of indexes.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of removed elements.</p>
<h4>Example</h4>
<pre><code><span class="kw2">var</span> array <span class="sy0">=</span> <span class="br0">[</span><span class="nu0">5</span><span class="sy0">,</span> <span class="nu0">10</span><span class="sy0">,</span> <span class="nu0">15</span><span class="sy0">,</span> <span class="nu0">20</span><span class="br0">]</span><span class="sy0">;</span><br><span class="kw2">var</span> evens <span class="sy0">=</span> _.<span class="me1">pullAt</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">)</span><span class="sy0">;</span><br><br>console.<span class="me1">log</span><span class="br0">(</span>array<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [5, 15]</span><br><br>console.<span class="me1">log</span><span class="br0">(</span>evens<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [10, 20]</span></code></pre>
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</div>
<div>
<h3><a id="remove"></a><code>_.<span class="me1">remove</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#remove">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5407" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.remove" title="See the npm package">Ⓝ</a></p>
<p>Removes all elements from <code>array</code> that <code>predicate</code> returns truthy for
and returns an array of the removed elements. The predicate is bound to
<code>thisArg</code> and invoked with three arguments: (value, index, array).
<br>
<br>
If a property name is provided for <code>predicate</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>predicate</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that have the properties of the given
object, else <code><span class="kw2">false</span></code>.
<br>
<br>
<strong>Note:</strong> Unlike <a href="#filter"><code>_.<span class="me1">filter</span></code></a>, this method mutates <code>array</code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to modify.</li>
<li><code><span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>predicate</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of removed elements.</p>
<h4>Example</h4>
<pre><code><span class="kw2">var</span> array <span class="sy0">=</span> <span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="sy0">,</span> <span class="nu0">4</span><span class="br0">]</span><span class="sy0">;</span><br><span class="kw2">var</span> evens <span class="sy0">=</span> _.<span class="me1">remove</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>n<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> n <span class="sy0">%</span> <span class="nu0">2</span> <span class="sy0">==</span> <span class="nu0">0</span><span class="sy0">;</span><br><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><br>console.<span class="me1">log</span><span class="br0">(</span>array<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 3]</span><br><br>console.<span class="me1">log</span><span class="br0">(</span>evens<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [2, 4]</span></code></pre>
<hr />
</div>
<div>
<h3><a id="rest"></a><code>_.<span class="me1">rest</span><span class="br0">(</span>array<span class="br0">)</span></code></h3>
<p><a href="#rest">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5442" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.rest" title="See the npm package">Ⓝ</a></p>
<p>Gets all but the first element of <code>array</code>.</p>
<h4>Aliases</h4>
<p><em>_.tail</em></p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">rest</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [2, 3]</span></code></pre>
<hr />
</div>
<div>
<h3><a id="slice"></a><code>_.<span class="me1">slice</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>start<span class="sy0">=</span><span class="nu0">0</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>end<span class="sy0">=</span>array.<span class="me1">length</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#slice">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5460" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.slice" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> from <code>start</code> up to, but not including, <code>end</code>.
<br>
<br>
<strong>Note:</strong> This method is used instead of <code>Array#<span class=me1>slice</span></code> to support node
lists in IE < 9 and to ensure dense arrays are returned.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to slice.</li>
<li><code><span class="br0">[</span>start<span class="sy0">=</span><span class="nu0">0</span><span class="br0">]</span></code> <em>(number)</em>: The start position.</li>
<li><code><span class="br0">[</span>end<span class="sy0">=</span>array.<span class="me1">length</span><span class="br0">]</span></code> <em>(number)</em>: The end position.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<hr />
</div>
<div>
<h3><a id="sortedIndex"></a><code>_.<span class="me1">sortedIndex</span><span class="br0">(</span>array<span class="sy0">,</span> value<span class="sy0">,</span> <span class="br0">[</span>iteratee<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#sortedIndex">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5520" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.sortedindex" title="See the npm package">Ⓝ</a></p>
<p>Uses a binary search to determine the lowest index at which <code>value</code> should
be inserted into <code>array</code> in order to maintain its sort order. If an iteratee
function is provided it is invoked for <code>value</code> and each element of <code>array</code>
to compute their sort ranking. The iteratee is bound to <code>thisArg</code> and
invoked with one argument; (value).
<br>
<br>
If a property name is provided for <code>iteratee</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>iteratee</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that have the properties of the given
object, else <code><span class="kw2">false</span></code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The sorted array to inspect.</li>
<li><code>value</code> <em>(*)</em>: The value to evaluate.</li>
<li><code><span class="br0">[</span>iteratee<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>iteratee</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index at which <code>value</code> should be inserted
into <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">sortedIndex</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">30</span><span class="sy0">,</span> <span class="nu0">50</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">40</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 1</span><br><br>_.<span class="me1">sortedIndex</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">4</span><span class="sy0">,</span> <span class="nu0">4</span><span class="sy0">,</span> <span class="nu0">5</span><span class="sy0">,</span> <span class="nu0">5</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">5</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 2</span><br><br><span class="kw2">var</span> dict <span class="sy0">=</span> <span class="br0">{</span> <span class="st0">'data'</span><span class="sy0">:</span> <span class="br0">{</span> <span class="st0">'thirty'</span><span class="sy0">:</span> <span class="nu0">30</span><span class="sy0">,</span> <span class="st0">'forty'</span><span class="sy0">:</span> <span class="nu0">40</span><span class="sy0">,</span> <span class="st0">'fifty'</span><span class="sy0">:</span> <span class="nu0">50</span> <span class="br0">}</span> <span class="br0">}</span><span class="sy0">;</span><br><br><span class="co1">// using an iteratee function</span><br>_.<span class="me1">sortedIndex</span><span class="br0">(</span><span class="br0">[</span><span class="st0">'thirty'</span><span class="sy0">,</span> <span class="st0">'fifty'</span><span class="br0">]</span><span class="sy0">,</span> <span class="st0">'forty'</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>word<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> <span class="kw1">this</span>.<span class="me1">data</span><span class="br0">[</span>word<span class="br0">]</span><span class="sy0">;</span><br><span class="br0">}</span><span class="sy0">,</span> dict<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 1</span><br><br><span class="co1">// using the `_.property` callback shorthand</span><br>_.<span class="me1">sortedIndex</span><span class="br0">(</span><span class="br0">[</span><span class="br0">{</span> <span class="st0">'x'</span><span class="sy0">:</span> <span class="nu0">30</span> <span class="br0">}</span><span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'x'</span><span class="sy0">:</span> <span class="nu0">50</span> <span class="br0">}</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'x'</span><span class="sy0">:</span> <span class="nu0">40</span> <span class="br0">}</span><span class="sy0">,</span> <span class="st0">'x'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 1</span></code></pre>
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</div>
<div>
<h3><a id="sortedLastIndex"></a><code>_.<span class="me1">sortedLastIndex</span><span class="br0">(</span>array<span class="sy0">,</span> value<span class="sy0">,</span> <span class="br0">[</span>iteratee<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#sortedLastIndex">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5542" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.sortedlastindex" title="See the npm package">Ⓝ</a></p>
<p>This method is like <a href="#sortedIndex"><code>_.<span class="me1">sortedIndex</span></code></a> except that it returns the highest
index at which <code>value</code> should be inserted into <code>array</code> in order to
maintain its sort order.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The sorted array to inspect.</li>
<li><code>value</code> <em>(*)</em>: The value to evaluate.</li>
<li><code><span class="br0">[</span>iteratee<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>iteratee</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(number)</em>: Returns the index at which <code>value</code> should be inserted
into <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">sortedLastIndex</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">4</span><span class="sy0">,</span> <span class="nu0">4</span><span class="sy0">,</span> <span class="nu0">5</span><span class="sy0">,</span> <span class="nu0">5</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">5</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → 4</span></code></pre>
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</div>
<div>
<h3><a id="take"></a><code>_.<span class="me1">take</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>n<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#take">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5568" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.take" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> with <code>n</code> elements taken from the beginning.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code><span class="br0">[</span>n<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span></code> <em>(number)</em>: The number of elements to take.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">take</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1]</span><br><br>_.<span class="me1">take</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2]</span><br><br>_.<span class="me1">take</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">5</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 3]</span><br><br>_.<span class="me1">take</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → []</span></code></pre>
<hr />
</div>
<div>
<h3><a id="takeRight"></a><code>_.<span class="me1">takeRight</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>n<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#takeRight">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5603" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.takeright" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> with <code>n</code> elements taken from the end.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code><span class="br0">[</span>n<span class="sy0">=</span><span class="nu0">1</span><span class="br0">]</span></code> <em>(number)</em>: The number of elements to take.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">takeRight</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [3]</span><br><br>_.<span class="me1">takeRight</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [2, 3]</span><br><br>_.<span class="me1">takeRight</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">5</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 3]</span><br><br>_.<span class="me1">takeRight</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="nu0">0</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → []</span></code></pre>
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</div>
<div>
<h3><a id="takeRightWhile"></a><code>_.<span class="me1">takeRightWhile</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#takeRightWhile">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5664" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.takerightwhile" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> with elements taken from the end. Elements are
taken until <code>predicate</code> returns falsey. The predicate is bound to <code>thisArg</code>
and invoked with three arguments: (value, index, array).
<br>
<br>
If a property name is provided for <code>predicate</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>predicate</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that have the properties of the given
object, else <code><span class="kw2">false</span></code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code><span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>predicate</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">takeRightWhile</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>n<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> n <span class="sy0">></span> <span class="nu0">1</span><span class="sy0">;</span><br><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [2, 3]</span><br><br><span class="kw2">var</span> users <span class="sy0">=</span> <span class="br0">[</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">true</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'fred'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'pebbles'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><br><span class="br0">]</span><span class="sy0">;</span><br><br><span class="co1">// using the `_.matches` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">takeRightWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'pebbles'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['pebbles']</span><br><br><span class="co1">// using the `_.matchesProperty` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">takeRightWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">,</span> <span class="kw2">false</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['fred', 'pebbles']</span><br><br><span class="co1">// using the `_.property` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">takeRightWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → []</span></code></pre>
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</div>
<div>
<h3><a id="takeWhile"></a><code>_.<span class="me1">takeWhile</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#takeWhile">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5719" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.takewhile" title="See the npm package">Ⓝ</a></p>
<p>Creates a slice of <code>array</code> with elements taken from the beginning. Elements
are taken until <code>predicate</code> returns falsey. The predicate is bound to
<code>thisArg</code> and invoked with three arguments: (value, index, array).
<br>
<br>
If a property name is provided for <code>predicate</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>predicate</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that have the properties of the given
object, else <code><span class="kw2">false</span></code>.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to query.</li>
<li><code><span class="br0">[</span>predicate<span class="sy0">=</span>_.<span class="me1">identity</span><span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>predicate</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the slice of <code>array</code>.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">takeWhile</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">3</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>n<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> n <span class="sy0"><</span> <span class="nu0">3</span><span class="sy0">;</span><br><span class="br0">}</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2]</span><br><br><span class="kw2">var</span> users <span class="sy0">=</span> <span class="br0">[</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'fred'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span><span class="br0">}</span><span class="sy0">,</span><br> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'pebbles'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">true</span> <span class="br0">}</span><br><span class="br0">]</span><span class="sy0">;</span><br><br><span class="co1">// using the `_.matches` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">takeWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'user'</span><span class="sy0">:</span> <span class="st0">'barney'</span><span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">:</span> <span class="kw2">false</span> <span class="br0">}</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['barney']</span><br><br><span class="co1">// using the `_.matchesProperty` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">takeWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="sy0">,</span> <span class="kw2">false</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → ['barney', 'fred']</span><br><br><span class="co1">// using the `_.property` callback shorthand</span><br>_.<span class="me1">pluck</span><span class="br0">(</span>_.<span class="me1">takeWhile</span><span class="br0">(</span>users<span class="sy0">,</span> <span class="st0">'active'</span><span class="br0">)</span><span class="sy0">,</span> <span class="st0">'user'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → []</span></code></pre>
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<h3><a id="union"></a><code>_.<span class="me1">union</span><span class="br0">(</span><span class="br0">[</span>arrays<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#union">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5740" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.union" title="See the npm package">Ⓝ</a></p>
<p>Creates an array of unique values, in order, from all of the provided arrays
using <a href="https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons.</p>
<h4>Arguments</h4>
<ol>
<li><code><span class="br0">[</span>arrays<span class="br0">]</span></code> <em>(…Array)</em>: The arrays to inspect.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of combined values.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">union</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">4</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">1</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2, 4]</span></code></pre>
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<h3><a id="uniq"></a><code>_.<span class="me1">uniq</span><span class="br0">(</span>array<span class="sy0">,</span> <span class="br0">[</span>isSorted<span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>iteratee<span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span>thisArg<span class="br0">]</span><span class="br0">)</span></code></h3>
<p><a href="#uniq">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5793" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.uniq" title="See the npm package">Ⓝ</a></p>
<p>Creates a duplicate-free version of an array, using
<a href="https://people.mozilla.org/~jorendorff/es6-draft.html#sec-samevaluezero"><code>SameValueZero</code></a>
for equality comparisons, in which only the first occurence of each element
is kept. Providing <code><span class="kw2">true</span></code> for <code>isSorted</code> performs a faster search algorithm
for sorted arrays. If an iteratee function is provided it is invoked for
each element in the array to generate the criterion by which uniqueness
is computed. The <code>iteratee</code> is bound to <code>thisArg</code> and invoked with three
arguments: (value, index, array).
<br>
<br>
If a property name is provided for <code>iteratee</code> the created <a href="#property"><code>_.<span class="me1">property</span></code></a>
style callback returns the property value of the given element.
<br>
<br>
If a value is also provided for <code>thisArg</code> the created <a href="#matchesProperty"><code>_.<span class="me1">matchesProperty</span></code></a>
style callback returns <code><span class="kw2">true</span></code> for elements that have a matching property
value, else <code><span class="kw2">false</span></code>.
<br>
<br>
If an object is provided for <code>iteratee</code> the created <a href="#matches"><code>_.<span class="me1">matches</span></code></a> style
callback returns <code><span class="kw2">true</span></code> for elements that have the properties of the given
object, else <code><span class="kw2">false</span></code>.</p>
<h4>Aliases</h4>
<p><em>_.unique</em></p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array to inspect.</li>
<li><code><span class="br0">[</span>isSorted<span class="br0">]</span></code> <em>(boolean)</em>: Specify the array is sorted.</li>
<li><code><span class="br0">[</span>iteratee<span class="br0">]</span></code> <em>(Function|Object|string)</em>: The function invoked per iteration.</li>
<li><code><span class="br0">[</span>thisArg<span class="br0">]</span></code> <em>(*)</em>: The <code><span class="kw1">this</span></code> binding of <code>iteratee</code>.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new duplicate-value-free array.</p>
<h4>Example</h4>
<pre><code>_.<span class="me1">uniq</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">2</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [2, 1]</span><br><br><span class="co1">// using `isSorted`</span><br>_.<span class="me1">uniq</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw2">true</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2]</span><br><br><span class="co1">// using an iteratee function</span><br>_.<span class="me1">uniq</span><span class="br0">(</span><span class="br0">[</span><span class="nu0">1</span><span class="sy0">,</span> <span class="nu0">2.5</span><span class="sy0">,</span> <span class="nu0">1.5</span><span class="sy0">,</span> <span class="nu0">2</span><span class="br0">]</span><span class="sy0">,</span> <span class="kw2">function</span><span class="br0">(</span>n<span class="br0">)</span> <span class="br0">{</span><br> <span class="kw1">return</span> <span class="kw1">this</span>.<span class="me1">floor</span><span class="br0">(</span>n<span class="br0">)</span><span class="sy0">;</span><br><span class="br0">}</span><span class="sy0">,</span> Math<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [1, 2.5]</span><br><br><span class="co1">// using the `_.property` callback shorthand</span><br>_.<span class="me1">uniq</span><span class="br0">(</span><span class="br0">[</span><span class="br0">{</span> <span class="st0">'x'</span><span class="sy0">:</span> <span class="nu0">1</span> <span class="br0">}</span><span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'x'</span><span class="sy0">:</span> <span class="nu0">2</span> <span class="br0">}</span><span class="sy0">,</span> <span class="br0">{</span> <span class="st0">'x'</span><span class="sy0">:</span> <span class="nu0">1</span> <span class="br0">}</span><span class="br0">]</span><span class="sy0">,</span> <span class="st0">'x'</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [{ 'x': 1 }, { 'x': 2 }]</span></code></pre>
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<h3><a id="unzip"></a><code>_.<span class="me1">unzip</span><span class="br0">(</span>array<span class="br0">)</span></code></h3>
<p><a href="#unzip">#</a> <a href="https://github.com/lodash/lodash/blob/3.9.3/lodash.src.js#L5830" title="View in source">Ⓢ</a> <a href="#docs" title="Jump back to the TOC.">Ⓣ</a> <a href="https://www.npmjs.com/package/lodash.unzip" title="See the npm package">Ⓝ</a></p>
<p>This method is like <a href="#zip"><code>_.<span class="me1">zip</span></code></a> except that it accepts an array of grouped
elements and creates an array regrouping the elements to their pre-zip
configuration.</p>
<h4>Arguments</h4>
<ol>
<li><code>array</code> <em>(Array)</em>: The array of grouped elements to process.</li>
</ol>
<h4>Returns</h4>
<p><em>(Array)</em>: Returns the new array of regrouped elements.</p>
<h4>Example</h4>
<pre><code><span class="kw2">var</span> zipped <span class="sy0">=</span> _.<span class="me1">zip</span><span class="br0">(</span><span class="br0">[</span><span class="st0">'fred'</span><span class="sy0">,</span> <span class="st0">'barney'</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span><span class="nu0">30</span><span class="sy0">,</span> <span class="nu0">40</span><span class="br0">]</span><span class="sy0">,</span> <span class="br0">[</span><span class="kw2">true</span><span class="sy0">,</span> <span class="kw2">false</span><span class="br0">]</span><span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [['fred', 30, true], ['barney', 40, false]]</span><br><br>_.<span class="me1">unzip</span><span class="br0">(</span>zipped<span class="br0">)</span><span class="sy0">;</span><br><span class="co1">// → [['fred', 'barney'], [30, 40], [true, false]]</span></code></pre>
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