14 lines
547 B
JavaScript
14 lines
547 B
JavaScript
'use strict';
|
|
// 22.1.3.9 Array.prototype.findIndex(predicate, thisArg = undefined)
|
|
var $export = require('./_export');
|
|
var $find = require('./_array-methods')(6);
|
|
var KEY = 'findIndex';
|
|
var forced = true;
|
|
// Shouldn't skip holes
|
|
if (KEY in []) Array(1)[KEY](function () { forced = false; });
|
|
$export($export.P + $export.F * forced, 'Array', {
|
|
findIndex: function findIndex(callbackfn /* , that = undefined */) {
|
|
return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
|
|
}
|
|
});
|
|
require('./_add-to-unscopables')(KEY);
|