Learn OOP using JavaScript (ES5/ES6) HD

Learn the fundamentals object oriented programming using javascript (es5 and es6). Learn how inheritance work, static methods, overriding etc. This also,helps you understand some common javascript interview questions that is usually asked related to OOP. The code is at es5: http://jsbin.com/vasoxez/edit?js,console es6: http://jsbin.com/hososum/edit?js,console Correction: In the video where I mentions "class" in case function was used, I meant constructor function. NOTE: For demo purpose I kept the code in one file. In real practice, keep code separate by putting them in their own files, like Alert.js, SuccessAlert.js, FailureAlert.js etc.