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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-16 00:10:28 +0100
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+'use strict';
+
+var $isNaN = require('../helpers/isNaN');
+
+// http://www.ecma-international.org/ecma-262/5.1/#sec-9.12
+
+module.exports = function SameValue(x, y) {
+ if (x === y) { // 0 === -0, but they are not identical.
+ if (x === 0) { return 1 / x === 1 / y; }
+ return true;
+ }
+ return $isNaN(x) && $isNaN(y);
+};