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14 lines
547 B
14 lines
547 B
'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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