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14 lines
550 B
14 lines
550 B
var $ = require('../internals/export'); |
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var fails = require('../internals/fails'); |
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var isObject = require('../internals/is-object'); |
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var nativeIsExtensible = Object.isExtensible; |
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var FAILS_ON_PRIMITIVES = fails(function () { nativeIsExtensible(1); }); |
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// `Object.isExtensible` method |
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// https://tc39.github.io/ecma262/#sec-object.isextensible |
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$({ target: 'Object', stat: true, forced: FAILS_ON_PRIMITIVES }, { |
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isExtensible: function isExtensible(it) { |
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return isObject(it) ? nativeIsExtensible ? nativeIsExtensible(it) : true : false; |
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} |
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});
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