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Intro to JavaScript Textbook

1. Basic JavaScript and Graphics

2. JavaScript Control Structures

2.1 Booleans

2.2 Logical Operators

2.3 Comparison Operators

2.4 If Statements

2.5 For Loops

For Loop Example

Variations on the Basic For Loop

Countdown

Count By Twos

For Loop Sum

Check Your Understanding

Exercise: Chalkboard

2.6 Random Numbers

2.7 While Loops

2.8 Loop and a Half

2.9 Functions and Parameters

2.10 Functions and Return Values

2.11 Local Variables and Scope

3. Animation and Games

4. Basic Data Structures

Chapter 2

JavaScript Control Structures

2.5 For Loops

For Loop Example

Variations on the Basic For Loop

Countdown

Count By Twos

For Loop Sum

Check Your Understanding

  1. Invalid Answer

Exercise: Chalkboard

Vocabulary

Term Definition
Loop A loop is a way to repeat code in your program.
For Loop A for loop lets us repeat code a **fixed number of times**.
JavaScript Documentation Documentation for the syntax and objects in Javascript that we use on CodeHS.
Iterate A single run through the instructions contained a loop
Increment To add to or increase
DRY Principle Don't repeat yourself: try to simplify your code and avoid repeating code unnecessarily.