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7 lines
294 B
7 lines
294 B
// 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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}; |