### Please enable JavaScript to use CodeHS

Introduction to Computer Science in JavaScript (Bulldog)

#### Points

Activity Points Item Type
Programming with Karel
1.1 Introduction to Programming With Karel Lesson
1.1.1 Introduction to Programming With Karel 1 Video
1.1.2 Karel Commands Quiz 1 Check for Understanding
1.1.3 Our First Karel Program 1 Example
1.1.4 Your First Karel Program 5 Exercise
1.1.5 Short Stack 5 Exercise
1.2.1 More About Karel 1 Video
1.2.2 More Basic Karel Quiz 4 Check for Understanding
1.2.3 Tennis Ball Square 1 Example
1.2.4 Make a Tower 5 Exercise
1.2.5 Pyramid of Karel 5 Exercise
1.3 Karel Can't Turn Right Lesson
1.3.1 Karel Can't Turn Right 1 Video
1.3.2 Karel Can't Turn Right Quiz 2 Check for Understanding
1.3.3 Tower and Turn Right 1 Example
1.3.4 Slide Karel 5 Exercise
1.3.5 Fireman Karel 5 Exercise
1.4 Functions in Karel Lesson
1.4.1 Functions in Karel 1 Video
1.4.2 Functions in Karel Quiz 1 Check for Understanding
1.4.3 Turn Around 1 Example
1.4.4 Pancakes 5 Exercise
1.4.5 Mario Karel 5 Exercise
1.5 The Main Function Lesson
1.5.1 The Main Function 1 Video
1.5.2 The Main Function Quiz 2 Check for Understanding
1.5.3 Tower with Main Function 1 Example
1.5.4 Pancakes with Main 5 Exercise
1.6 Top Down Design and Decomposition in Karel Lesson
1.6.1 Top Down Design and Decomposition 1 Video
1.6.2 Top Down Design and Decomposition Quiz 2 Check for Understanding
1.6.3 Top Down Design and Decomposition in Karel 5 Video
1.6.4 Hurdle Karel 1 Example
1.6.5 The Two Towers 5 Exercise
1.7.1 Commenting Your Code 1 Video
1.7.2 Commenting Your Code Quiz 1 Check for Understanding
1.7.3 Hurdle Karel 1 Example
1.7.4 The Two Towers + Comments 5 Exercise
1.8 Super Karel Lesson
1.8.1 Super Karel 1 Video
1.8.2 Super Karel Quiz 1 Check for Understanding
1.8.3 Hurdle Karel (with Super Karel) 1 Example
1.8.4 The Two Towers + Super Karel 5 Exercise
1.9 For Loops Lesson
1.9.1 For Loops 1 Video
1.9.2 For Loops Quiz 1 Check for Understanding
1.9.3 Repeated Move 1 Example
1.9.4 Put Down Tennis Balls 1 Example
1.9.5 Take 'em All 5 Exercise
1.9.6 Dizzy Karel 5 Exercise
1.9.7 Ball in Each Corner 5 Exercise
1.9.8 Lots of Hurdles 5 Exercise
1.10 If Statements and Conditionals Lesson
1.10.1 If Statements and Conditionals 1 Video
1.10.2 If Statements and Conditionals Quiz 2 Check for Understanding
1.10.3 If Statements and Conditionals 1 Example
1.10.4 Safe Take Ball 1 Example
1.10.5 Is There a Ball? 5 Exercise
1.10.6 Don't Crash! 5 Exercise
1.11 If/Else Statements Lesson
1.11.1 If/Else Statements 1 Video
1.11.2 If/Else Statements Quiz 2 Check for Understanding
1.11.3 If/Else Statements 1 Example
1.11.4 Opposite Day 1 Example
1.11.5 Right Side Up 5 Exercise
1.11.6 Right vs. Left Square 5 Exercise
1.12 While Loops Lesson
1.12.1 While Loops 1 Video
1.12.2 While Loops Quiz 2 Check for Understanding
1.12.3 Move to Wall 1 Example
1.12.5 Lay Row of Tennis Balls 5 Exercise
1.12.6 Big Tower 5 Exercise
1.13 How to Indent Your Code Lesson
1.13.1 How to Indent Your Code 1 Video
1.13.2 How to Indent Your Code Quiz 1 Check for Understanding
1.13.3 Dance and Clean Karel 1 Example
1.13.4 Diagonal 5 Exercise
1.13.5 Staircase 5 Exercise
1.14 Control Structures Example Lesson
1.14.1 Control Structures Example 1 Video
1.14.2 Control Structures Example Quiz 2 Check for Understanding
1.14.3 Cleanup Karel 1 Example
1.14.4 Random Hurdles 5 Exercise
1.15 More Karel Examples and Testing Lesson
1.15.1 More Karel Examples and Testing 1 Video
1.15.2 Move Tennis Ball Stack 1 Example
1.15.3 Live Coding: Climbing Karel 1 Video
1.15.4 Climbing Karel 1 Example
1.15.5 Quiz: Which Control Structure? 5 Check for Understanding
1.15.6 Opposite Corner 5 Exercise
1.16 Programming with Karel Quiz Lesson
1.16.1 Programming with Karel Quiz 25 Unit Quiz
Karel Challenges
2.1 Challenge Problems Lesson
2.1.1 Fetch 10 Challenge
2.1.2 Racing Karel 10 Challenge
2.1.3 Tower Builder 10 Challenge
2.1.4 Super Cleanup Karel 10 Challenge
2.1.5 Double Tennis Balls 10 Challenge
JavaScript Basics
3.1 Hello World Lesson
3.1.1 Hello World 1 Video
3.1.2 Hello World Quiz 1 Check for Understanding
3.1.3 Hello World 1 Example
3.1.4 Your Name and Hobby 5 Exercise
3.1.5 ASCII Animals 5 Exercise
3.2 Variables Lesson
3.2.1 Variables 1 Video
3.2.2 Live Coding: Variables 5 Video
3.2.3 Variables Quiz 1 Check for Understanding
3.2.4 Basic Variables 1 Example
3.2.5 Daily Activities 5 Exercise
3.2.6 Debugging Variables 5 Debugging
3.3 User Input Lesson
3.3.1 User Input 1 Video
3.3.2 User Input Quiz 2 Check for Understanding
3.3.3 Basic User Input 1 Example
3.3.4 Dinner Plans 5 Exercise
3.4 Basic Math Lesson
3.4.1 Basic Math 1 Video
3.4.2 Basic Math Quiz 3 Check for Understanding
3.4.3 Simple Calculator 1 Example
3.4.4 Dollars to Pounds 1 Example
3.4.5 Dividing Up Groups 1 Example
3.4.6 T-Shirt Shop 5 Exercise
3.4.7 Running Speed 5 Exercise
3.5 Collaborative Programming Lesson
3.5.1 Pair-Programming 1 Video
3.5.2 Pair-Programming 2 Check for Understanding
3.5.3 Why Practice Pair-Programming? 1 Connection
3.5.4 Pair-Programming Reflection 5 Free Response
3.6 Random Numbers Lesson
3.6.1 Random Numbers 1 Video
3.6.2 Random Numbers Quiz 2 Check for Understanding
3.6.3 Rolling a Die 1 Example
3.6.4 Treasure Chest Loot 5 Exercise
3.6.5 Multiplication Practice 5 Exercise
3.7 Basic Functions Lesson
3.7.1 Basic Functions 5 Video
3.7.2 Variables in Functions 5 Notes
3.7.3 Basic Functions Quiz 4 Quiz
3.7.4 Function Flow 1 Example
3.7.5 Digital Business Card 5 Exercise
3.7.6 ASCII Karel 5 Exercise
3.8 JavaScript Basics Quiz Lesson
3.8.1 JavaScript Basics Quiz 15 Unit Quiz
The Canvas and Graphics
4.1 Intro to the Canvas and Graphics Lesson
4.1.1 Intro to Canvas and Graphics 5 Video
4.1.2 Debug Mode for Positioning 5 Notes
4.1.3 Live Coding: Circle and Rectangle 5 Video
4.1.4 Canvas Coordinates 5 Connection
4.1.5 Canvas and Graphics Quiz 4 Quiz
4.1.6 Creating a Circle 1 Example
4.1.7 A Circle and a Rectangle 1 Example
4.1.8 A Ball in a Box 5 Exercise
4.1.9 Raise the Flag 5 Exercise
4.2 More Graphics Objects Lesson
4.2.1 More Graphics Objects 5 Video
4.2.2 Live Coding: More Graphics Objects 5 Video
4.2.3 Graphics Objects Quiz 4 Quiz
4.2.4 Cute Animals 1 Example
4.2.5 Greetings, Earth! 1 Example
4.2.6 Exploration: XY Plot 3 Exercise
4.2.7 Create Your Meme 5 Exercise
4.2.8 Saturday Mornings 5 Exercise
4.3 Positioning Graphics Objects Lesson
4.3.1 Positioning Graphics Objects 5 Video
4.3.2 Positioning Quiz 4 Quiz
4.3.3 8 Ball 1 Example
4.3.4 Color the Rainbow 5 Exercise
4.3.5 Create Your Own Plant! 10 Challenge
4.4 JavaScript Graphics Quiz Lesson
4.4.1 JavaScript Graphics Quiz 8 Quiz
Graphics Challenges
5.1 Graphics Challenges Lesson
5.1.1 Ghost 10 Challenge
5.1.2 Fried Egg 10 Challenge
5.1.3 Draw Something 5 Challenge
Control Structures
6.1 Booleans Lesson
6.1.1 Booleans 1 Video
6.1.2 Booleans Quiz 1 Check for Understanding
6.1.3 Boolean Exploration 1 Example
6.1.4 Do You Have a Dog? 5 Exercise
6.1.5 Booleans are Questions 5 Free Response
6.1.6 Best Day Ever 5 Exercise
6.2 If/Else Statements Lesson
6.2.1 If Statements 1 Video
6.2.2 If Statements Quiz 3 Check for Understanding
6.2.3 Are You Logged In? 5 Example
6.2.4 Is It Raining? 5 Exercise
6.2.5 Mood Playlist 5 Exercise
6.3 Logical Operators Lesson
6.3.1 Logical Operators 1 Video
6.3.2 Logical Operators Quiz 3 Check for Understanding
6.3.3 Light Switch 1 Example
6.3.4 Harry Potter 1 Example
6.3.6 Logical Operators Game 5 Example
6.3.7 Can You Graduate? 5 Exercise
6.3.8 Switching Players 5 Exercise
6.3.9 A Day of Decisions 5 Exercise
6.4 Comparison Operators Lesson
6.4.1 Comparison Operators 1 Video
6.4.2 Comparison Operators Quiz 3 Check for Understanding
6.4.3 Great Names 1 Example
6.4.5 Even and Odd 1 Example
6.4.6 Rolling Dice 5 Exercise
6.4.7 Teenagers 5 Exercise
6.4.8 Rocket Launch Requirements 5 Exercise
6.4.9 Trivia Game 5 Exercise
6.5 Graphics and Conditionals Lesson
6.5.1 Graphics and Conditionals 5 Notes
6.5.2 Circle or Rectangle? 5 Example
6.5.3 Correct or Incorrect? 5 Exercise
6.5.4 Else If Statements 5 Notes
6.5.5 Conditional Circle Color 5 Example
6.5.6 Odd or Even Shapes 5 Exercise
6.5.7 Graphics and Conditionals Quiz 2 Quiz
6.5.8 Interactive Modern Art 5 Challenge
6.6 While Loops Lesson
6.6.1 While Loops 1 Video
6.6.2 While Loops Quiz 2 Check for Understanding
6.6.3 While Loop Countdown 1 Example
6.6.4 Debugging: Best Name Ever 5 Debugging
6.6.5 Level Up 5 Exercise
6.6.6 Inventory 5 Exercise
6.7 The Break Statement Lesson
6.7.1 The Break Statement 1 Video
6.7.2 The Break Statement Quiz 2 Check for Understanding
6.7.3 Adding Up Numbers 1 Example
6.7.4 Break Statement Reflection 5 Free Response
6.7.5 Snake Eyes 5 Exercise
6.7.6 Better Password Prompt 5 Exercise
6.7.7 Riddle Machine 5 Exercise
6.8 While Loops and Graphics Lesson
6.8.1 While Loops and Graphics 5 Notes
6.8.2 Lots of Circles 5 Example
6.8.3 Corners on Corners 5 Example
6.8.4 Concentric Circles 5 Exercise
6.8.5 Debugging: Circle Positions 5 Debugging
6.8.6 Growing Squares 5 Exercise
6.9 For Loops Lesson
6.9.1 For Loops 1 Video
6.9.2 For Loop Exploration 1 Example
6.9.3 Chalkboard 5 Exercise
6.9.4 Count By Twos 1 Example
6.9.5 Eating Apples 1 Example
6.9.6 Countdown by Sevens 5 Debugging
6.9.7 For Loops Quiz 3 Check for Understanding
6.9.8 Lives Left 5 Exercise
6.9.9 For Loop Sum 1 Example
6.9.10 Jukebox 5 Exercise
6.10 For Loops and Graphics Lesson
6.10.1 For Loops and Graphics 5 Notes
6.10.2 Lots of Circles Revisited 5 Example
6.10.3 Exploration: Confetti 5 Exercise
6.10.4 Using i to Position Objects and Adjust Size 5 Notes
6.10.5 Horizontal Stripes #1: Using i to Adjust Position 5 Example
6.10.6 Horizontal Stripes #2: Using i to Adjust Size 5 Example
6.10.7 Debugging: Colorful Bullseye 5 Debugging
6.10.8 Caterpillar 5 Exercise
6.11 Javascript Control Structures Quiz Lesson
6.11.1 JavaScript Control Structures Quiz 15 Unit Quiz
Control Structures Challenges
7.1 Control Structures Challenges Lesson
7.1.1 Guessing Game 10 Challenge
7.1.2 Landscape Generator 5 Challenge
7.1.3 Exploring RGB Color Codes 5 Challenge
Functions
8.1 Parameters Lesson
8.1.1 Parameters 5 Video
8.1.2 Live Coding: Parameters 5 Video
8.1.3 Parameters Quiz 3 Quiz
8.1.4 Greetings 5 Example
8.1.5 Slope of a Line 1 Example
8.1.6 Draw Lots of Circles! 1 Example
8.1.7 Area of Triangle 5 Exercise
8.1.8 Rainbow Revisited 5 Exercise
8.1.9 Cityscape 5 Exercise
8.2 Return Values Lesson
8.2.1 Return Values 5 Video
8.2.2 Return Values Quiz 4 Quiz
8.2.3 Mathematical Returns 1 Example
8.2.4 Offscreen Graphics 1 Example
8.2.5 Max 5 Exercise
8.2.6 Overlapping Graphics 5 Exercise
8.2.7 Is It Even? 5 Exercise
8.3 Default Parameter Values Lesson
8.3.1 Default Parameter Values 5 Video
8.3.2 Default Parameter Values Quiz 2 Quiz
8.3.3 Default Printing 1 Example
8.3.4 Farming International 5 Debugging
8.3.5 Compound Interest 5 Exercise
8.3.6 Default Face 5 Exercise
8.4 Variable Scopes Lesson
8.4.1 Variable Scope 5 Video
8.4.2 Live Coding: Variable Scope 5 Video
8.4.3 Variable Scope Quiz 1 Quiz
8.4.4 Scope of X 5 Example
8.4.5 Exploration: Scope of Ball 3 Exercise
8.4.6 Scope Reflection 5 Free Response
8.4.7 Choose Wisely Game 5 Challenge
8.5 Functions Quiz Lesson
8.5.1 Functions and Parameters Quiz 15 Unit Quiz
Functions Challenges
9.1 Functions Challenges Lesson
9.1.1 Global Travel Assistant 10 Challenge
9.1.2 Balloons 10 Challenge
9.1.3 Ghost Invasion! 10 Challenge
Animation and Games
10.1 Timers Lesson
10.1.1 Timers 1 Video
10.1.2 Timers Quiz 2 Check for Understanding
10.1.3 Moving Ball 1 Example
10.1.4 Magic 8 Ball 1 Example
10.1.5 Crazy Ball 5 Exercise
10.1.6 Paint Splatter 5 Exercise
10.1.7 Project: Evasion (Timers) 5 Notes
10.1.8 Project Info and Links 5 Free Response
10.2 Stopping Timers Lesson
10.2.1 Stopping Timers 1 Video
10.2.2 Stop Timer Quiz 2 Check for Understanding
10.2.3 Random Circles 1 Example
10.2.4 Growing Circle 5 Exercise
10.2.5 Brick Wall 5 Exercise
10.2.6 Project: Evasion (Stop Timers) 5 Notes
10.3 Collisions Lesson
10.3.1 Collisions 1 Video
10.3.2 Live Coding: Collisions 5 Video
10.3.3 Collisions Quiz 2 Check for Understanding
10.3.4 Bouncing Ball 1 Example
10.3.5 Collision Simulation 5 Exercise
10.3.6 Carnival Game 5 Exercise
10.3.7 Project: Evasion (Collisions) 5 Notes
10.4 Mouse Click Events Lesson
10.4.1 Mouse Click Events 1 Video
10.4.2 Mouse Click Quiz 2 Check for Understanding
10.4.3 Click For Circles 1 Example
10.4.4 Pausing the Carnival Game 5 Exercise
10.4.5 Dripping Paint 5 Exercise
10.4.6 Project: Evasion (Mouse Click) 5 Notes
10.5 More Mouse Events Lesson
10.5.1 More Mouse Events 1 Video
10.5.2 More Mouse Events Quiz 3 Check for Understanding
10.5.3 Simple Painting 1 Example
10.5.4 Painting with Color 1 Example
10.5.5 Coordinates 5 Exercise
10.5.6 Target 5 Exercise
10.5.7 Drag and Drop 5 Exercise
10.5.8 Project: Evasion (More Mouse) 5 Notes
10.6 Key Events Lesson
10.6.1 Key Events 1 Video
10.6.2 Key Events Quiz 2 Check for Understanding
10.6.3 Keyboard Character 5 Example
10.6.4 Basic Snake 5 Exercise
10.6.5 Project: Evasion (Key Events) 5 Notes
10.6.6 Project Reflection 5 Free Response
10.7 Animation and Games Quiz Lesson
10.7.1 Animation and Games Quiz 25 Unit Quiz
Animation Challenges
11.1 Animation Challenges Lesson
11.1.2 Increasing Number of Shapes 10 Challenge
Project: Breakout
12.1 Breakout Lesson
12.1.1 Breakout Introduction 5 Notes
12.1.2 Bricks 10 Challenge
12.1.3 Ball and Paddle 10 Challenge
12.1.4 Collisions 10 Challenge
Data Structures: Arrays
13.1 Intro to Arrays Lesson
13.1.1 Intro to Arrays 5 Video
13.1.2 When to Use Arrays? 5 Notes
13.1.3 Intro to Arrays Quiz 4 Check for Understanding
13.1.4 Array Basics 1 Example
13.1.5 Exploration: A Boxy Array 2 Exercise
13.1.6 List of Places to Travel 5 Exercise
13.1.7 Top Websites 5 Exercise
13.2 Adding & Removing from an Array Lesson
13.2.1 Adding & Removing from an Array 5 Video
13.2.2 Adding & Removing from an Array Quiz 3 Check for Understanding
13.2.3 A Note About Arrays as Parameters 5 Notes
13.2.4 Temperature Array 1 Example
13.2.5 Exploration: Creating a To-Do List 2 Exercise
13.2.6 Stacking Barrels 5 Exercise
13.2.7 Key Logging 5 Exercise
13.3 Iterating Through an Array Lesson
13.3.1 Iterate Through an Array 5 Video
13.3.2 Iterate Through an Array Quiz 3 Check for Understanding
13.3.3 Print Shopping Lists 1 Example
13.3.4 Test Average 2 Debugging
13.3.5 Reverse List 5 Exercise
13.3.6 Evens Only List 5 Exercise
13.3.7 Dice Roll Probabilities 5 Challenge
13.3.8 Dice Probability Reflection 5 Free Response
13.4 Array Iteration with Graphics Lesson
13.4.1 Array Iteration with Graphics 5 Notes
13.4.2 Array Iteration with Graphics Quiz 3 Quiz
13.4.3 Snow Storm 5 Example
13.4.4 Exploration: Changing Properties 2 Exercise
13.4.5 Draw a Barcode 5 Exercise
13.4.6 Wind Turbines 5 Exercise
13.4.7 Parallax Challenge 5 Challenge
13.5 Array Methods Lesson
13.5.1 Array Methods 5 Notes
13.5.2 Email List 5 Example
13.5.3 Weekly Temperatures 5 Example
13.5.4 Splitting Up Tasks 1 Example
13.5.5 Mutual Friends 5 Exercise
13.5.6 Scientific Data 5 Challenge
Data Structures: Objects
14.1 Intro to Objects Lesson
14.1.1 Intro to Objects 5 Video
14.1.2 Intro to Objects Quiz 4 Check for Understanding
14.1.3 Phonebook 1 Example
14.1.4 Movie Database 5 Exercise
14.1.5 Object Literals & Properties 5 Video
14.1.6 Car Objects 5 Example
14.1.7 Two Player 5 Exercise
14.1.8 Shopping Cart 5 Exercise
14.2 Graphic Objects Lesson
14.2.1 Graphic Objects 5 Video
14.2.2 A Note About Objects as Parameters 5 Notes
14.2.3 Super Bouncers 5 Example
14.2.4 Falling Blocks 5 Example
14.2.5 Exploration: Our Solar System 2 Exercise
14.2.6 Fireflies 5 Exercise
14.2.7 Firefly Reflection 5 Free Response
14.2.8 Level 1 Knight 5 Challenge
14.3 Object Methods Lesson
14.3.1 Object Methods 5 Video
14.3.2 Object Methods Quiz 5 Quiz
14.3.3 Party Ball 5 Example
14.3.4 Exploration: Digi Pet 2 Exercise
14.3.5 Level 2 Knight 5 Exercise
14.3.6 Bank Account 5 Exercise
14.4 Iterating Through an Object Lesson
14.4.1 Iterating Through an Object 5 Video
14.4.2 Iterating Through an Object Quiz 3 Check for Understanding
14.4.3 Property or Method? 5 Notes
14.4.4 Phonebook Extended 5 Example
14.4.5 Bouncing Emoji 5 Example
14.4.6 Starry Night 5 Exercise
14.4.7 Let's Go Birding 5 Exercise
14.4.8 Asteroids 5 Exercise
14.5 Object Constructors Lesson
14.5.1 Object Constructors 5 Video
14.5.2 Object Constructors Quiz 4 Quiz
14.5.3 New Person 5 Example
14.5.4 CodeHS Graphics are Objects 5 Example
14.5.5 Musical Instruments 2 Debugging
14.5.6 Level 3 Knight 5 Exercise
14.5.7 Bank Account Constructor 5 Exercise
14.5.8 Hobby Constructors 5 Challenge
14.5.9 Advanced Extension: Prototypes and Inheritance 5 Notes
Project: Tic Tac Toe
15.1 Tic Tac Toe Lesson
15.1.1 Tic Tac Toe: Part 1 10 Challenge
15.1.2 Tic Tac Toe: Part 2 10 Challenge
15.1.3 Tic Tac Toe: Full Game 10 Challenge
Project: Helicopter Game
16.1 Game Design: Helicopter Lesson
16.1.1 Introduction to Helicopter 1 Video
16.2 Basics Lesson
16.2.1 Moving the Helicopter 1 Video
16.2.2 Moving the Helicopter 5 Exercise
16.2.5 Smoother Movement 1 Video
16.2.6 Smoother Movement 5 Exercise
16.3 Improvements Lesson
16.3.1 Colliding with Walls 1 Video
16.3.2 Wall Collisions 5 Exercise
16.3.3 Colliding with Obstacles 1 Video
16.3.4 Obstacle Collisions 5 Exercise
16.3.7 Moving the Terrain 1 Video
16.3.8 Moving the Terrain 5 Exercise
16.4 Polish Lesson
16.4.1 Helicopter Image and Points! 1 Video
16.4.2 Image and Points 5 Exercise
16.4.3 Dust 1 Video
16.4.4 Dust 5 Exercise
16.4.5 More Obstacles 1 Video
16.4.6 More Obstacles 5 Exercise
16.4.7 Helicopter Extensions 10 Challenge
Final Project
17.1 Project Prep and Development Lesson
17.1.1 Project Introduction 1 Notes
17.1.2 Planning and Design 5 Free Response
17.1.3 Pseudocode 5 Pseudocode
17.1.4 Write the Code! 10 Challenge
17.1.5 Present your Project 5 Presentation
Final Exam
18.1 Final Exam Lesson
18.1.1 JavaScript Final Exam Pt. 1: Multiple Choice 25 Final
Midterm
19.1 Midterm Lesson
19.1.1 Midterm Pt 1: Multiple Choice 10 Midterm
20.1 Intro to Sets Lesson
20.1.1 Intro to Sets 1 Video
20.1.2 Intro to Sets Quiz 3 Check for Understanding
20.1.3 Basic Sets 1 Example
20.1.4 Vowels 5 Exercise
20.1.5 Mutual Friends 5 Exercise
20.1.6 Total Network of Friends 5 Exercise
20.2 Intro to Grids Lesson
20.2.1 Intro to Grids 1 Video
20.2.2 Intro to Grids Quiz 3 Check for Understanding
20.2.3 Grid Basics 1 Example
20.2.4 Building a Database 5 Exercise
20.3 Looping Over a Grid Lesson
20.3.1 Looping Over a Grid 1 Video
20.3.2 Looping Over a Grid Quiz 2 Check for Understanding
20.3.3 Print Grid 1 Example
20.3.4 Summing Grid 5 Exercise
20.4 Grid Example: Get a Row Lesson
20.4.1 Grid Example: Get a Row 1 Video
20.4.2 Grid Example: Get a Row Quiz 2 Check for Understanding
20.4.3 Get a Row 1 Example
20.4.4 Grid Diagonal 5 Exercise
20.4.5 Watercolor Grid 10 Challenge
Practice: Karel
21.1 Extra Karel Practice Lesson
21.1.1 Functions Practice: K For Karel 10 Challenge
21.1.2 Functions Practice: Karel Plants A Tree 10 Challenge
21.1.3 Functions Practice: X Marks the Spot 10 Challenge
21.1.4 While Loop Practice: Blackout 10 Challenge
21.1.5 While Loop Practice: Move To Top 10 Challenge
21.1.6 While Loop Practice: Checkered Row 10 Challenge
21.1.7 For Loop Practice: Tall Hurdles 10 Challenge
21.1.8 Functions and While Loop Practice: Row and Back 10 Challenge
21.1.9 Functions and For Loop Practice: Opposite Squares 10 Challenge
21.1.10 Stairway To Heaven 10 Challenge
21.1.12 For Loop Practice: Square 5 Challenge
21.2 Extra Karel Puzzles Lesson
21.2.1 Midpoint Karel 10 Challenge
21.2.2 Target Karel 10 Challenge
21.2.3 The Winding Yellow Road 10 Challenge
21.2.4 Super Random Hurdles 10 Challenge
21.2.5 Copy 10 Challenge
21.2.6 Multiply 10 Challenge
21.2.7 Fibonacci Karel 10 Challenge
21.2.8 Comparison Karel 10 Challenge
21.2.9 Swap 10 Challenge
21.2.10 Sorting Karel 10 Challenge
Practice: Functions
22.1 Functions and Parameters Practice Lesson
22.1.1 Taking a Power 10 Challenge
22.1.2 Dot Rectangle 10 Challenge
22.1.3 Print the Date 10 Challenge
22.1.5 Concentric Circles 10 Challenge
22.1.6 Graphics Staircase 10 Challenge
22.1.7 The Weekend 5 Exercise
Practice: Console Challenges
23.1 Prime Numbers Lesson
23.1.2 Voting Age 1 Example
23.1.3 Negative Numbers 1 Example
23.1.4 Fibonacci 5 Exercise
23.1.5 Better Sum 5 Exercise
23.1.6 Factorial 5 Exercise
23.1.7 All Dice Values 5 Exercise
23.1.8 Powers of Two 5 Exercise
23.1.9 Prime Numbers 10 Challenge
23.1.10 Find the Max 10 Challenge
23.1.11 Prime Factorization 10 Challenge
23.1.12 Fizz Buzz 10 Challenge
23.1.13 Grid Printer 10 Challenge
23.1.14 Number Sum 10 Challenge
23.1.15 Hailstone Sequence 10 Challenge
23.1.16 Pythagorean Triples 10 Challenge
23.1.17 Digit Array 10 Challenge
Practice: Graphics and Animation
24.1 Snake Game Lesson
24.1.1 A Growing Snake 10 Challenge
24.1.2 Collisions 10 Challenge
24.1.4 Finishing Touches 10 Challenge
24.2 Fun Graphics Challenges Lesson
24.2.1 The Worm 5 Exercise
24.2.2 Happy Birthday! 10 Challenge
24.2.3 Balloons 10 Challenge
24.2.4 Broccoli 10 Challenge
24.2.5 Circles in Squares 10 Challenge
24.2.7 Circles in Circles 10 Challenge
24.2.8 Snowman Loop 10 Challenge
24.3 Animation Practice Lesson
24.3.1 Random Ghosts 1 Example
24.3.2 Spinner 1 Example
24.3.3 Random Fireworks 1 Example
24.3.4 Drawing Lines 1 Example
24.3.5 Colorful Drag to Paint 1 Example
24.3.6 Keyboard Square 1 Example
24.3.7 Click For Ghosts 1 Example
24.3.8 Circle Wall 5 Exercise
24.3.9 Hotspot Ball 5 Exercise
24.3.10 Trail 5 Exercise
24.3.11 Teleporting Ball 5 Exercise
24.3.12 Leash 5 Exercise
24.3.13 Pause 5 Exercise
24.4 Crazy Ball Game Lesson
24.4.1 Crazy Ball Game 1 1 Video
24.4.2 Crazy Ball Game Quiz 1 1 Check for Understanding
24.4.3 Crazy Ball Game 1 1 Example
24.4.4 Crazy Ball Game 2 1 Video
24.4.5 Crazy Ball Game Quiz 2 2 Check for Understanding
24.4.6 Crazy Ball Game 2 1 Example
24.4.7 Click for Collision 5 Exercise
24.4.8 Drag and Drop 5 Exercise
Extra Quiz Questions
25.1 Basic Javascript and Graphics Lesson
25.1.1 For Loop Examples Quiz 3 Check for Understanding
25.1.2 Extra JavaScript Graphics Quesions 2 Quiz
25.1.3 Extra Logical Operators Questions 3 Quiz
25.1.4 Extra Functions and Return Values Questions 1 Quiz
25.1.5 Extra Local Variables and Scope Questions 3 Quiz
25.1.6 General For Loop Quiz 2 Check for Understanding
25.2 Animation and Games Lesson
25.2.1 Extra Timers Questions 1 Quiz
25.2.2 Extra Bouncing Ball Questions 1 Quiz
25.2.3 Extra Mouse Events: Mouse Clicked Questions 3 Quiz
25.2.4 Extra Key Events Questions 2 Quiz
25.2.5 Extra Crazy Ball Game Questions 3 Quiz
25.3 Basic Data Structures Lesson
25.3.1 Extra Intro to Lists/Arrays Questions 2 Quiz
25.3.2 Extra Indexing into an Array Questions 2 Quiz
25.3.3 Extra Adding/Removing from an Array Questions 2 Quiz
25.3.4 Extra Array Length and Looping Through Arrays Questions 3 Quiz
25.3.5 Extra Iterating Over an Array Questions 1 Quiz
25.3.6 Extra Finding an Element in a List Questions 1 Quiz
25.3.7 Extra Removing an Element from an Array Questions 1 Quiz
25.3.8 Extra Basics of Objects Questions 1 Quiz
25.3.9 Extra Intro to Sets Questions 1 Quiz
25.3.10 Extra Intro to Grids Questions 1 Quiz
Extension: Visualizing Music
26.1 Visualizing Music Lesson
26.1.1 Visualizing Music 1 Video
26.1.2 Our First Visualization 1 Example
26.1.3 Vertical Bars 1 Example
26.1.4 Vertical Bars with Color 1 Example
26.1.5 Changing Circles 1 Example
26.1.6 Your First Visualization 5 Exercise
26.1.7 Changing Colors 5 Exercise
26.1.8 Custom Colors 5 Exercise
26.1.9 Create Your Own Music Visualization 5 Exercise
Extension: Data Structures Challenges
27.1 Conway's Game of Life Lesson
27.1.1 Make The Grid 5 Exercise
27.1.2 Find Life 5 Exercise
27.1.3 Finish Up 5 Exercise
27.2 Connect Four Lesson
27.2.1 Make The Board 5 Exercise
27.2.2 Take Turns 5 Exercise
27.2.3 Find the Winner 5 Exercise
Intro to CS: JavaScript Pretest
28.1 Intro to CS: JavaScript Pretest Lesson
28.1.1 About the Pretest 1 Notes
28.1.2 Mindsets 1 Survey
28.1.3 JavaScript Knowledge & Skills 15 Quiz
JavaScript Level 1 Certification Practice
29.1 JavaScript Syntax Update Lesson
29.1.1 JavaScript Syntax Update 5 Notes
29.1.2 Syntax Comparison 5 Example
29.1.3 Re-declaring Variables: Let vs Var 5 Example
29.1.4 Name and Game 5 Exercise
29.1.5 JavaScript Syntax Update Quiz 3 Quiz
29.2 Practice #1: JavaScript Basics Lesson
29.2.1 Quiz: JavaScript Basics 15 Quiz
29.2.2 Practice #1 Reflection 5 Notes
29.3 Practice #2: JavaScript Control Structures Lesson
29.3.1 Quiz: JavaScript Control Structures 15 Quiz
29.3.2 Practice #2 Reflection 5 Notes
29.4 Practice #3: JavaScript Functions and Objects Lesson
29.4.1 Quiz: JavaScript Functions and Objects 15 Quiz
29.4.2 Practice #3 Reflection 5 Notes