Constnium/node_modules/es-abstract/2019/SameValue.js

14 lines
307 B
JavaScript
Raw Normal View History

2022-06-23 02:27:43 +02:00
'use strict';
var $isNaN = require('../helpers/isNaN');
// http://262.ecma-international.org/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);
};