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14 lines
307 B
JavaScript
14 lines
307 B
JavaScript
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'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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