2 var $export = require('./_export')
3 , $indexOf = require('./_array-includes')(false)
5 , NEGATIVE_ZERO = !!$native && 1 / [1].indexOf(1, -0) < 0;
7 $export($export.P + $export.F * (NEGATIVE_ZERO || !require('./_strict-method')($native)), 'Array', {
8 // 22.1.3.11 / 15.4.4.14 Array.prototype.indexOf(searchElement [, fromIndex])
9 indexOf: function indexOf(searchElement /*, fromIndex = 0 */){
12 ? $native.apply(this, arguments) || 0
13 : $indexOf(this, searchElement, arguments[1]);