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14 lines
546 B
14 lines
546 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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, $find = require('./$.array-methods')(6) |
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, KEY = 'findIndex' |
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, 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); |