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13 lines
307 B
13 lines
307 B
'use strict'; |
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var $isNaN = require('../helpers/isNaN'); |
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// http://262.ecma-international.org/5.1/#sec-9.12 |
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module.exports = function SameValue(x, y) { |
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if (x === y) { // 0 === -0, but they are not identical. |
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if (x === 0) { return 1 / x === 1 / y; } |
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return true; |
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} |
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return $isNaN(x) && $isNaN(y); |
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};
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