day-4.md

Day 4 - Concepts

The overwhelming majority of JavaScript users are people

— @horse_js

Table of Contents

• Slides
• Topics
• Exercises

Slides

• Lab-4

Topics

Scope

Read the except about binding and scope in third chapter of the Eloquent JavaScript book.

1. Eloquent JavaScript - Binding and Scope (book)

Read chapter 4 from You Don't Know JS about Block Scope.

2. You Don't Know JS - Block scope (book)

(Optional) Watch Scope in JavaScript from HTTP203

Scope in JavaScript - HTTP 203

Hoisting

Read about hosting on the MDN developer documentation.

3. Mozilla Developer Network - Hoisting (article)

Closures

Watch this video from Fun Fun Function about closures.

4. Fun Fun Function - Closures (video)

(Optional) Read chapter five from You Don't Know JS about Closures.

You Don't Know JS - Closures

Exercises

• The Basic JavaScript exercises from freeCodeCamp. From Global Scope and Functions to Global vs. Local Scope in Functions. freeCodeCamp - Basic JavaScript (exercises)

• (Optional) Learn the details of Scope, Scope Chains, Closures, and Garbage Collection in this NodeSchool workshopper