Edit File: es6.array.index-of.js
'use strict'; var $export = require('./_export'); var $indexOf = require('./_array-includes')(false); var $native = [].indexOf; var NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0; $export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($native)), 'Array', { // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex]) indexOf: function indexOf(searchElement /* , fromIndex = 0 */) { return NEGATIVE_ZERO // convert -0 to +0 ? $native.apply(this, arguments) || 0 : $indexOf(this, searchElement, arguments[1]); } });
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