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JavaScript: Scope

via LinkedIn Learning

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Details

Provider

LinkedIn Learning
Pricing

Free Trial Available
Languages

English
Certificate

Certificate Available
Effort

43 minutes
Sessions

Self-Paced
Level

Beginner

Found in

Part of

CodeSignal

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Overview

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Learn about the scope options for JavaScript variables, including global, local, and block scope.

Syllabus

Introduction

Learn how to properly scope your variables
Course prerequisites

1. Introduction to Variable Scope

Setup for this course
What is scope in JavaScript?
What are closures?
The different types of scope
Hoisting explained

2. Global Variables

What are global variables?
Challenge: Define global variable
Solution: Define global variable

3. Local Variables

What are local variables?
Challenge: Define local variable
Solution: Define local variable

4. Block-Scoped Variables

What are block-scoped variables?
Explore block-scoped variables with code
Challenge: Define let/const variables
Solution: Define let/const variables

Conclusion

JavaScript strict mode
Next steps

Taught by

Emmanuel Henri

Reviews

4.6 rating at LinkedIn Learning based on 134 ratings

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