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- '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
- };
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