| Tim van der Lippe | fdbd42e | 2020-04-07 14:14:36 | [diff] [blame] | 1 | 'use strict'; |
| 2 | |
| 3 | var $isNaN = require('../helpers/isNaN'); |
| 4 | |
| Tim van der Lippe | 2c89197 | 2021-07-29 15:22:50 | [diff] [blame] | 5 | // http://262.ecma-international.org/5.1/#sec-9.12 |
| Tim van der Lippe | fdbd42e | 2020-04-07 14:14:36 | [diff] [blame] | 6 | |
| 7 | module.exports = function SameValue(x, y) { |
| 8 | if (x === y) { // 0 === -0, but they are not identical. |
| 9 | if (x === 0) { return 1 / x === 1 / y; } |
| 10 | return true; |
| 11 | } |
| 12 | return $isNaN(x) && $isNaN(y); |
| 13 | }; |
