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Web Developer's Reference Guide

You're reading from   Web Developer's Reference Guide A one-stop guide to the essentials of web development including popular frameworks such as jQuery, Bootstrap, AngularJS, and Node.js

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Product type Paperback
Published in Mar 2016
Publisher
ISBN-13 9781783552139
Length 838 pages
Edition 1st Edition
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Authors (3):
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 Johanan Johanan
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Johanan
 Khan Khan
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Khan
 Zea Zea
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Zea
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Toc

Table of Contents (17) Chapters Close

Preface 1. HTML Elements FREE CHAPTER 2. HTML Attributes 3. CSS Concepts and Applications 4. CSS Properties – Part 1 5. CSS Properties – Part 2 6. CSS Properties – Part 3 7. CSS Functions 8. JavaScript Implementations, Syntax Basics, and Variable Types 9. JavaScript Expressions, Operators, Statements, and Arrays 10. JavaScript Object-Oriented Programming 11. Extending JavaScript and ECMAScript 6 12. Server-side JavaScript – NodeJS 13. Bootstrap – The Stylish CSS Frontend Framework 14. jQuery – The Popular JavaScript Library 15. AngularJS – Google's In-Demand Framework Index

Inheritance


JavaScript supports prototype inheritance. In other programming languages, objects and classes inherit from each other to use each other's properties and functions. However, in JavaScript, you have an object-based inheritance, which is called a prototype, in which objects use the properties of other objects. For example, if you have a Person object, then you can use the _proto_ attribute for that object to create another Student object:

Prototype chaining

In JavaScript, you create new objects from existing objects. This process is called prototype chaining. It is similar to inheritance in object-oriented systems.

Description

Prototype is a property of the constructor function. When you add any object property to a prototype, it will add this property or method to the objects created by the constructor function. In prototype chaining, we create a function prototype using the properties of the constructor function. Using this, all methods or properties transfer to the prototype object...

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