| '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]); |
| } |
| }); |