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Object-Oriented JavaScript

Object-Oriented JavaScript

By : Antani, Stoyan Stefanov
4.5 (6)
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Object-Oriented JavaScript

Object-Oriented JavaScript

4.5 (6)
By: Antani, Stoyan Stefanov

Overview of this book

JavaScript is an object-oriented programming language that is used for website development. Web pages developed today currently follow a paradigm that has three clearly distinguishable parts: content (HTML), presentation (CSS), and behavior (JavaScript). JavaScript is one important pillar in this paradigm, and is responsible for the running of the web pages. This book will take your JavaScript skills to a new level of sophistication and get you prepared for your journey through professional web development. Updated for ES6, this book covers everything you will need to unleash the power of object-oriented programming in JavaScript while building professional web applications. The book begins with the basics of object-oriented programming in JavaScript and then gradually progresses to cover functions, objects, and prototypes, and how these concepts can be used to make your programs cleaner, more maintainable, faster, and compatible with other programs/libraries. By the end of the book, you will have learned how to incorporate object-oriented programming in your web development workflow to build professional JavaScript applications.
Table of Contents (19 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Object-Oriented JavaScript
1. Object-Oriented JavaScript
A bit of history
ECMAScript 5
ECMAScript 6
Object-oriented programming
OOP summary
Setting up your training environment
Summary
2
2. Primitive Data Types, Arrays, Loops, and Conditions
2. Primitive Data Types, Arrays, Loops, and Conditions
Variables
Operators
Primitive data types
Primitive data types recap
Arrays
Conditions and loops
Comments
Exercises
Summary
3
3. Functions
3. Functions
What is a function?
Default parameters
Rest parameters
Spread operators
Scope of variables
Block scope
Functions are data
Closures
IIFE versus blocks
Arrow functions
Exercises
Summary
4
4. Objects
4. Objects
From arrays to objects
Object properties and attributes
ES6 object methods
Destructuring
Built-in objects
ES6 array methods
Lexical this in arrow functions
Exercises
Summary
5
5. ES6 Iterators and Generators
5. ES6 Iterators and Generators
For...of loop
Iterators and iterables
Generators
Collections
Summary
6
6. Prototype
6. Prototype
The prototype property
Using the prototype's methods and properties
Augmenting built-in objects
Exercises
Summary
7
7. Inheritance
7. Inheritance
Prototype chaining
Inheriting the prototype only
Uber - access to the parent from a child object
Isolating the inheritance part into a function
Copying properties
Heads-up when copying by reference
Objects inherit from objects
Deep copy
Using object() method
Using a mix of prototypal inheritance and copying properties
Multiple inheritance
Parasitic inheritance
Borrowing a constructor
Case study - drawing shapes
Exercises
Summary
8
8. Classes and Modules
8. Classes and Modules
Defining classes
Subclassing
Modules
Summary
9
9. Promises and Proxies
9. Promises and Proxies
Asynchronous programming model
JavaScript call stack
Promises
Summary
10
10. The Browser Environment
10. The Browser Environment
Including JavaScript in an HTML page
BOM and DOM - an overview
BOM
DOM
Events
XMLHttpRequest
Exercises
Summary
11
11. Coding and Design Patterns
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11. Coding and Design Patterns
Coding patterns
Design patterns
Summary
12
12. Testing and Debugging
12. Testing and Debugging
Unit testing
JavaScript debugging
Summary
13
13. Reactive Programming and React
13. Reactive Programming and React
Reactive programming
React
Virtual DOM
Installing and running react
Summary
14
A. Reserved Words
A. Reserved Words
Keywords
ES6 reserved words
Previously reserved words
15
B. Built-in Functions
B. Built-in Functions
16
C. Built-in Objects
C. Built-in Objects
Object
ES6 addition to objects
Array
Function
Boolean
Number
String
Date
Math
RegExp
Error objects
JSON
17
D. Regular Expressions
D. Regular Expressions
18
E. Answers to Exercise Questions
E. Answers to Exercise Questions
Chapter 2, Primitive Data Types, Arrays, Loops, and Conditions
Chapter 3, Functions
Chapter 4, Objects
Chapter 5, Prototype
Chapter 6, Inheritance
Chapter 7, The Browser Environment

Summary

In this chapter, you learned about common JavaScript coding patterns and learned how to make your programs cleaner, faster, and better at working with other programs and libraries. Then, you saw a discussion and sample implementations of a handful of the design patterns from the Book of Four. You can see how JavaScript is a fully featured dynamic programming language, and that implementing classical patterns in a dynamic loosely typed language is pretty easy. The patterns are, in general, a large topic, and you can join the author of this book in a further discussion of the JavaScript patterns at JSPatterns.com, or take a look at the JavaScript Patterns book. The next chapter focuses on testing and debugging methodologies.

End of Chapter 11
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