| 'use strict'; | |
| var Type = require('./Type'); | |
| // https://262.ecma-international.org/5.1/#sec-11.9.6 | |
| module.exports = function StrictEqualityComparison(x, y) { | |
| if (Type(x) !== Type(y)) { | |
| return false; | |
| } | |
| if (typeof x === 'undefined' || x === null) { | |
| return true; | |
| } | |
| return x === y; // shortcut for steps 4-7 | |
| }; |