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