This video on Objects in JavaScript will take you through the more profound concept of Objects in JavaScript. This JavaScript Objects tutorial will help you in defining objects in JavaScript in two different ways. In addition, this introduction to Objects tutorial will also let you understand What object methods are and How to use data types as objects in JavaScript. Below are the points we are going to discuss in this JavaScript tutorial for beginners’ video.
00:00:00 Introduction
00:00:36 What is an Object?
00:04:46 Literal way of creating an Object.
00:10:30 Creating an object using the constructor function.
00:17:53 Why do we use Objects in JavaScript?
00:21:33 How to add a property to an object.
00:24:00 How to add a method to an object.
00:24:59 How to delete a property from an object.
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What is an Object?
Object in JavaScript is basically a complex data type for storing and manipulating data. Object help us structure our data and provides methods (or functions) for manipulating the data stored at any given time within our application. An object is a standalone entity, with properties and type. Compare it with a car, for example. A car is an object, with properties. A car has a colour, a brand, weight, a price, etc. The same way, JavaScript objects can have properties, which define their characteristics.
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).
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