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