This video on Object prototypes in JavaScript will take you through the basics of Using Prototypes in JavaScript. In this JavaScript tutorial, we’ll get to know the usage and need of Prototypes in JavaScript. In addition, we’ll understand How to add a property or a method to an existing constructor function.

Below are the points we are going to discuss in this JavaScript tutorial for beginners’ video:
00:00:00 Introduction
00:03:22 What is Object Prototype?
00:04:21 Prototype for Object Literal method.
00:05:32 Prototype for Constructor function method.
00:08:35 Adding methods and properties with prototype.

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What is Object Prototype?
Prototypes are the mechanism by which JavaScript objects inherit features from one another. This video explains how prototype chains work and look at how the prototype property can be used to add methods to existing constructors. An object's prototype object may also have a prototype object, which inherits methods and properties from, and so on. This is often referred to as a prototype chain and explains why different objects have properties and methods defined on other objects available to them.

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. HTML is the structure of your page like the headers, the body text, any images you want to include. It basically defines the contents of a web page.
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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