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16 lines
387 B
16 lines
387 B
'use strict'; |
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var define = require('define-properties'); |
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var getPolyfill = require('./polyfill'); |
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/* http://www.ecma-international.org/ecma-262/6.0/#sec-number.isnan */ |
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module.exports = function shimNumberIsNaN() { |
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var polyfill = getPolyfill(); |
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define(Number, { isNaN: polyfill }, { |
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isNaN: function testIsNaN() { |
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return Number.isNaN !== polyfill; |
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} |
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}); |
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return polyfill; |
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};
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