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7 lines
292 B
JavaScript
7 lines
292 B
JavaScript
// 22.1.3.31 Array.prototype[@@unscopables]
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var UNSCOPABLES = require('./_wks')('unscopables')
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, ArrayProto = Array.prototype;
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if(ArrayProto[UNSCOPABLES] == undefined)require('./_hide')(ArrayProto, UNSCOPABLES, {});
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module.exports = function(key){
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ArrayProto[UNSCOPABLES][key] = true;
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}; |