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Merge pull request #1 from emodo/dev
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‎01 - JavaScript Drum Kit/index-SELF.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>JS Drum Kit</title>
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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<div class="keys">
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<div data-key="65" class="key">
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<kbd>A</kbd>
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<span class="sound">clap</span>
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</div>
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<div data-key="83" class="key">
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<kbd>S</kbd>
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<span class="sound">hihat</span>
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</div>
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<div data-key="68" class="key">
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<kbd>D</kbd>
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<span class="sound">kick</span>
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</div>
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<div data-key="70" class="key">
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<kbd>F</kbd>
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<span class="sound">openhat</span>
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</div>
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<div data-key="71" class="key">
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<kbd>G</kbd>
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<span class="sound">boom</span>
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</div>
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<div data-key="72" class="key">
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<kbd>H</kbd>
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<span class="sound">ride</span>
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</div>
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<div data-key="74" class="key">
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<kbd>J</kbd>
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<span class="sound">snare</span>
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</div>
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<div data-key="75" class="key">
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<kbd>K</kbd>
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<span class="sound">tom</span>
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</div>
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<div data-key="76" class="key">
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<kbd>L</kbd>
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<span class="sound">tink</span>
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</div>
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</div>
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<audio data-key="65" src="sounds/clap.wav"></audio>
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<audio data-key="83" src="sounds/hihat.wav"></audio>
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<audio data-key="68" src="sounds/kick.wav"></audio>
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<audio data-key="70" src="sounds/openhat.wav"></audio>
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<audio data-key="71" src="sounds/boom.wav"></audio>
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<audio data-key="72" src="sounds/ride.wav"></audio>
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<audio data-key="74" src="sounds/snare.wav"></audio>
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<audio data-key="75" src="sounds/tom.wav"></audio>
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<audio data-key="76" src="sounds/tink.wav"></audio>
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<script>
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const keys = document.querySelectorAll('.key');
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document.addEventListener('keydown', keydown, false);
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function keydown(e) {
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const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
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const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
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if (!audio || e.repeat) {
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return;
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}
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key.classList.add('playing');
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audio.currentTime = 0;
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audio.play();
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}
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function removeTransition(e) {
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if (e.propertyName !== 'transform') {
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return;
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}
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this.classList.remove('playing');
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}
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keys.forEach(key => key.addEventListener('transitionend', removeTransition));
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</script>
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</body>
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</html>

‎02 - JS and CSS Clock/index-SELF.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>JS + CSS Clock</title>
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</head>
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<body>
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<div class="clock">
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<div class="clock-face">
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<div class="hand hour-hand"></div>
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<div class="hand min-hand"></div>
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<div class="hand second-hand"></div>
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</div>
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</div>
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<style>
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html {
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background:#018DED;
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background-size:cover;
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font-family:'helvetica neue';
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text-align: center;
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font-size: 10px;
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}
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body {
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margin: 0;
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font-size: 2rem;
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display:flex;
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flex:1;
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min-height: 100vh;
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align-items: center;
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}
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.clock {
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width: 30rem;
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height: 30rem;
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border:20px solid white;
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border-radius:50%;
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margin:50px auto;
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position: relative;
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padding:2rem;
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box-shadow:
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0 0 0 4px rgba(0,0,0,0.1),
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inset 0 0 0 3px #EFEFEF,
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inset 0 0 10px black,
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0 0 10px rgba(0,0,0,0.2);
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}
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.clock-face {
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position: relative;
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width: 100%;
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height: 100%;
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transform: translate(-3px, -3px); /* account for the height of the clock hands */
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}
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.hand {
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width:50%;
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height:6px;
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background: #d50000;
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position: absolute;
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top: 50%;
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left: 50%;
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transform-origin: 0;
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transform: rotate(-90deg);
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transition: all .3s;
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}
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.hour-hand {
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width: 40%;
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background: #ff6d00;
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}
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.min-hand {
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width: 48%;
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background: #00bfa5;
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}
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</style>
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<script>
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var transformProp = (function(){
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var testEl = document.createElement('div');
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if(testEl.style.transform == null) {
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var vendors = ['Webkit', 'Moz', 'ms'];
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for(var vendor in vendors) {
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if(testEl.style[ vendors[vendor] + 'Transform' ] !== undefined) {
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return vendors[vendor] + 'Transform';
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}
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}
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}
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return 'transform';
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})();
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setInterval(clock, 1000);
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function clock() {
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const now = new Date();
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const minutes =
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document.querySelector('.second-hand').style[transformProp] = `rotate(${now.getSeconds() / 60 * 360 - 90}deg)`;
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document.querySelector('.min-hand').style[transformProp] = `rotate(${(now.getMinutes() / 60 * 360) + now.getSeconds() / 60 * 6 - 90}deg)`;
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document.querySelector('.hour-hand').style[transformProp] = `rotate(${(now.getHours() / 12 * 360) + now.getMinutes() / 60 * 30 - 90}deg)`;
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}
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</script>
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</body>
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</html>

‎03 - CSS Variables/index-SELF.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Scoped CSS Variables and JS</title>
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</head>
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<body>
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<h2>Update CSS Variables with <span class='hl'>JS</span></h2>
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<div class="controls">
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<label for="spacing">Spacing:</label>
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<input id="spacing" type="range" name="spacing" min="10" max="200" value="10" data-sizing="px">
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<label for="blur">Blur:</label>
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<input id="blur" type="range" name="blur" min="0" max="25" value="10" data-sizing="px">
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<label for="base">Base Color</label>
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<input id="base" type="color" name="base" value="#ffc600">
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</div>
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<img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
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<style>
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:root {
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--base: #ffc600;
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--spacing: 10px;
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--blur: 10px;
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}
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img {
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padding: var(--spacing);
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filter: blur(var(--blur));
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background: var(--base);
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}
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.hl {
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color: var(--base);
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}
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/*
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misc styles, nothing to do with CSS variables
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*/
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body {
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text-align: center;
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}
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body {
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background: #193549;
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color: white;
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font-family: 'helvetica neue', sans-serif;
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font-weight: 100;
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font-size: 50px;
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}
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.controls {
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margin-bottom: 50px;
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}
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input {
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width:100px;
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}
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</style>
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<script>
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const inputs = document.querySelectorAll('.controls input');
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inputs.forEach(input => input.addEventListener('input', onChange));
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function onChange(e) {
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const suffix = this.dataset.sizing || '';
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document.documentElement.style.setProperty(`--${this.name}`, this.value + suffix);
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}
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</script>
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</body>
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</html>

‎04 - Array Cardio Day 1/index-SELF.html

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Array Cardio 💪</title>
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</head>
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<body>
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<p><em>Psst: have a look at the JavaScript Console</em> 💁</p>
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<script>
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// Get your shorts on - this is an array workout!
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// ## Array Cardio Day 1
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// Some data we can work with
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const inventors = [
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{ first: 'Albert', last: 'Einstein', year: 1879, passed: 1955 },
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{ first: 'Isaac', last: 'Newton', year: 1643, passed: 1727 },
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{ first: 'Galileo', last: 'Galilei', year: 1564, passed: 1642 },
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{ first: 'Marie', last: 'Curie', year: 1867, passed: 1934 },
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{ first: 'Johannes', last: 'Kepler', year: 1571, passed: 1630 },
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{ first: 'Nicolaus', last: 'Copernicus', year: 1473, passed: 1543 },
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{ first: 'Max', last: 'Planck', year: 1858, passed: 1947 },
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{ first: 'Katherine', last: 'Blodgett', year: 1898, passed: 1979 },
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{ first: 'Ada', last: 'Lovelace', year: 1815, passed: 1852 },
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{ first: 'Sarah E.', last: 'Goode', year: 1855, passed: 1905 },
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{ first: 'Lise', last: 'Meitner', year: 1878, passed: 1968 },
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{ first: 'Hanna', last: 'Hammarström', year: 1829, passed: 1909 }
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];
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const people = ['Beck, Glenn', 'Becker, Carl', 'Beckett, Samuel', 'Beddoes, Mick', 'Beecher, Henry', 'Beethoven, Ludwig', 'Begin, Menachem', 'Belloc, Hilaire', 'Bellow, Saul', 'Benchley, Robert', 'Benenson, Peter', 'Ben-Gurion, David', 'Benjamin, Walter', 'Benn, Tony', 'Bennington, Chester', 'Benson, Leana', 'Bent, Silas', 'Bentsen, Lloyd', 'Berger, Ric', 'Bergman, Ingmar', 'Berio, Luciano', 'Berle, Milton', 'Berlin, Irving', 'Berne, Eric', 'Bernhard, Sandra', 'Berra, Yogi', 'Berry, Halle', 'Berry, Wendell', 'Bethea, Erin', 'Bevan, Aneurin', 'Bevel, Ken', 'Biden, Joseph', 'Bierce, Ambrose', 'Biko, Steve', 'Billings, Josh', 'Biondo, Frank', 'Birrell, Augustine', 'Black, Elk', 'Blair, Robert', 'Blair, Tony', 'Blake, William'];
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// Array.prototype.filter()
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// 1. Filter the list of inventors for those who were born in the 1500's
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const fifteen = inventors.filter(inventor => (inventor.year >= 1500 && inventor.year < 1600) );
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// Array.prototype.map()
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// 2. Give us an array of the inventors' first and last names
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const fandl = inventors.map((inventor) => `${inventor.first} ${inventor.last}`);
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// Array.prototype.sort()
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// 3. Sort the inventors by birthdate, oldest to youngest
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const birthdate = inventors.sort((a, b) => {
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return b.year - a.year;
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})
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// Array.prototype.reduce()
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// 4. How many years did all the inventors live?
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const live = inventors.reduce((total, inventor) => {
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return total + (inventor.passed - inventor.year);
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}, 0);
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// lived
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const lived = inventors.reduce((total, inventor) => {
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total.push(Object.assign({}, inventor, {
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lived: inventor.passed - inventor.year
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}));
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return total;
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}, []);
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// 5. Sort the inventors by years lived
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const yearsLived = lived.sort((a, b) => b.lived - a.lived);
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// 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
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// https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
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// 7. sort Exercise
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// Sort the people alphabetically by last name
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// const peopleMap = people
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// .map(peo => peo.split(', '))
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// .reduce((next, prev) =>{
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// next.push(prev[1]);
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// return next;
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// });
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// console.log(peopleMap.sort());
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const alpha = people.sort((lastOne, nextOne) => {
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const [aLast, aFirst] = lastOne.split(', ');
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const [bLast, bFirst] = nextOne.split(', ');
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return aLast > bLast ? 1 : -1;
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});
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// 8. Reduce Exercise
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// Sum up the instances of each of these
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const data = ['car', 'car', 'truck', 'truck', 'bike', 'walk', 'car', 'van', 'bike', 'walk', 'car', 'van', 'car', 'truck' ];
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const transportation = data.reduce((obj, item) => {
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if (!obj[item]) {
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obj[item] = 0;
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}
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obj[item]++;
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return obj;
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}, {});
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console.log(transportation);
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</script>
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</body>
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</html>

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