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7 lines
297 B
7 lines
297 B
// 22.1.3.31 Array.prototype[@@unscopables] |
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var UNSCOPABLES = require('./_wks')('unscopables'); |
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var 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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};
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