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Overview
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3.1 Scope in JavaScript

Scope in JavaScript is extremely important—without understanding it, you won't be able to master functions. In this lesson, we'll look at how scope works in JavaScript.

1.Introduction
1 lesson, 01:44

2.JavaScript Function Basics
2 lessons, 20:19

3.Going Further With JavaScript Functions
4 lessons, 39:05

3.2
Working with Arguments
07:05

3.3
The `this` Keyword: Regular Functions
10:26

3.4
The `this` Keyword: Issues and Arrow Functions
10:35

4.Conclusion
1 lesson, 00:55

I started my development career on the client-side writing JavaScript and DHTML components in my spare time. In 2005, Nicholas C. Zakas asked me to join him in writing the first edition of Professional Ajax for Wiley Publishing. Since Professional Ajax, 1st Edition, I've been blessed to take part in other book projects: Professional Ajax 2nd Edition, and Beginning JavaScript 3rd and 4th editions.

Practice JavaScript and Learn: Functions

Next lesson playing in 5 seconds

3.1 Scope in JavaScript

1.Introduction
1 lesson, 01:44

1.1
Introduction
01:44

2.JavaScript Function Basics
2 lessons, 20:19

2.1
Defining Functions
13:12

2.2
Returning Values
07:07

3.Going Further With JavaScript Functions
4 lessons, 39:05