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varunkumar/normal.js

Last active August 29, 2015 14:05
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Strict Mode JavaScript
Raw
normal.js
var lastName = '';
// some code here
// at later point
lastNam = 'Nagarajan'; // value will be assigned to window.lastNam
alert(lastName);
alert(window.lastNam);
Raw
strict.js
"use strict";
var lastName = '';
// some code here
// at later point
lastNam = 'Nagarajan'; // this will throw ReferenceError in strict mode
alert(lastName);
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