Constnium/node_modules/es-abstract/2020/StrictEqualityComparison.js
2022-06-23 02:27:43 +02:00

17 lines
361 B
JavaScript

'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
};