'use strict'; | |
var $export = require('./_export') | |
, $indexOf = require('./_array-includes')(false) | |
, $native = [].indexOf | |
, NEGATIVE_ZERO = !!$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]); | |
} | |
}); |