Classes And Inheritance In JavaScript | JavaScript Classes And Inheritance Tutorial | Simplilearn
This video on Classes and Inheritance in JavaScript will take you through the basics of Classes and How Inheritance is integrated with classes in JavaScript. In this JavaScript tutorial, we’ll get to know the usage and need of Classes in JavaScript. In addition, we’ll understand How to inherit the properties and methods from one class to another.
Below are the points we are going to discuss in this classes and inheritance in Java Script video:
00:00:00 Introduction
00:01:09 What is a Class?
00:02:00 Creating a Class.
00:08:35 Super keyword in JavaScript.
00:10:40 Inheritance in Classes.
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What is a Class?
Classes are one of the features introduced in the ES6 version of JavaScript. A class is a template used for creating objects in JavaScript class is similar to the JavaScript constructor function, and it is merely a syntactic sugar. Instead of using the function keyword, we use the class keyword for creating JavaScript classes. The properties are assigned in a constructor function. It is easy to define methods in JavaScript class. We simply give the name of the method followed by ().
Introduction to JavaScript:
JavaScript is a scripting language that is used to create and manage dynamic web pages, basically anything that moves on your screen without requiring you to refresh your browser. It can be anything from animated graphics to an automatically generated Facebook timeline. When most people get interested in web development, they start with good old HTML and CSS. From there, they move on to JavaScript, which makes sense, because, these three elements together form the backbone of web development.
CSS controls how that page looks (it’s what you’ll use to customize fonts, background colors, etc.). JavaScript is the third element. Once you’ve created your structure (HTML) and your aesthetic vibe (CSS), JavaScript makes your site dynamic (automatically updateable).
What is object literal method in JavaScript?
A JavaScript object literal is a comma-separated list of name-value pairs wrapped in curly braces. Constructors encapsulate data, enclosing it in a tidy package. This minimizes the use of global variables which can cause problems when combining code. Whenever we are working with a single object or when we know everything about the properties and the behaviour of an object. We should always use the object literal method. That's because this method runs faster, and we have to write minimum code while using the object literal method.
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