use reverse order in _.indexOf

yyx990803 · yyx990803 · commit 5b413fc7075a · 2015-09-03T13:45:19.000-04:00
diff --git a/src/util/lang.js b/src/util/lang.js
@@ -264,7 +264,8 @@ exports.debounce = function (func, wait) {
  */
 
 exports.indexOf = function (arr, obj) {
-  for (var i = 0, l = arr.length; i < l; i++) {
+  var i = arr.length
+  while (i--) {
     if (arr[i] === obj) return i
   }
   return -1

Original file line number	Diff line number	Diff line change
`@@ -264,7 +264,8 @@ exports.debounce = function (func, wait) {`
`264`	`264`	`*/`
`265`	`265`
`266`	`266`	`exports.indexOf = function (arr, obj) {`
`267`		`- for (var i = 0, l = arr.length; i < l; i++) {`
	`267`	`+ var i = arr.length`
	`268`	`+ while (i--) {`
`268`	`269`	`if (arr[i] === obj) return i`
`269`	`270`	`}`
`270`	`271`	`return -1`