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25 lines
606 B
25 lines
606 B
"use strict"; |
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var setPrototypeOf = require("../object/set-prototype-of") |
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, isExtensible = require("./_is-extensible"); |
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module.exports = (function () { |
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var SubArray; |
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if (isExtensible) return require("./_sub-array-dummy"); |
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if (!setPrototypeOf) return null; |
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SubArray = function () { |
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var arr = Array.apply(this, arguments); |
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setPrototypeOf(arr, SubArray.prototype); |
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return arr; |
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}; |
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setPrototypeOf(SubArray, Array); |
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SubArray.prototype = Object.create(Array.prototype, { |
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constructor: { value: SubArray, |
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enumerable: false, |
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writable: true, |
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configurable: true } |
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}); |
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return SubArray; |
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}());
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