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Update indexOf polyfill 

Updated from the same source as the original comment. If IE8 isn’t
supported then this can be removed.
This commit is contained in:
Nick Schonning 2014-03-08 00:37:28 -05:00
parent 4efabef8f2
commit 96bf38757d
1 changed files with 15 additions and 27 deletions
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42
app/assets/javascripts/locales/i18n.js
View File

@ -1,40 +1,28 @@
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
if (!Array.prototype.indexOf) { if (!Array.prototype.indexOf) {
Array.prototype.indexOf = function(searchElement /*, fromIndex */) { Array.prototype.indexOf = function (searchElement, fromIndex) {
"use strict"; if ( this === undefined || this === null ) {
throw new TypeError( '"this" is null or not defined' );
if (this === void 0 || this === null) {
throw new TypeError();
} }
var t = Object(this); var length = this.length >>> 0; // Hack to convert object.length to a UInt32
var len = t.length >>> 0;
if (len === 0) { fromIndex = +fromIndex || 0;
return -1;
if (Math.abs(fromIndex) === Infinity) {
fromIndex = 0;
} }
var n = 0; if (fromIndex < 0) {
if (arguments.length > 0) { fromIndex += length;
n = Number(arguments[1]); if (fromIndex < 0) {
if (n !== n) { // shortcut for verifying if it's NaN fromIndex = 0;
n = 0;
} else if (n !== 0 && n !== (Infinity) && n !== -(Infinity)) {
n = (n > 0 || -1) * Math.floor(Math.abs(n));
} }
} }
if (n >= len) { for (;fromIndex < length; fromIndex++) {
return -1; if (this[fromIndex] === searchElement) {
} return fromIndex;
var k = n >= 0
? n
: Math.max(len - Math.abs(n), 0);
for (; k < len; k++) {
if (k in t && t[k] === searchElement) {
return k;
} }
} }