Please enable JavaScript to use CodeHS

Introduction to Computer Science in JavaScript - Pilot (Corgi) - Outline

  1. Programming with Karel

    1. 1.1 Introduction to Programming With Karel

    2. Video 1.1.1 Introduction to Programming With Karel
    3. Check for Understanding 1.1.2 Karel Commands Quiz
    4. Example 1.1.3 Our First Karel Program
    5. Exercise 1.1.4 Your First Karel Program
    6. Exercise 1.1.5 Short Stack

    7. 1.2 More About Karel

    8. Video 1.2.1 More About Karel
    9. Check for Understanding 1.2.2 More Basic Karel Quiz
    10. Example 1.2.3 Tennis Ball Square
    11. Exercise 1.2.4 Make a Tower
    12. Exercise 1.2.5 Pyramid of Karel

    13. 1.3 Karel Can't Turn Right

    14. Video 1.3.1 Karel Can't Turn Right
    15. Check for Understanding 1.3.2 Karel Can't Turn Right Quiz
    16. Example 1.3.3 Tower and Turn Right
    17. Exercise 1.3.4 Slide Karel
    18. Exercise 1.3.5 Fireman Karel
    19. Badge 1.3.6 Karel Turns Right Badge

    20. 1.4 Functions in Karel

    21. Video 1.4.1 Functions in Karel
    22. Check for Understanding 1.4.2 Functions in Karel Quiz
    23. Example 1.4.3 Turn Around
    24. Exercise 1.4.4 Pancakes
    25. Exercise 1.4.5 Mario Karel

    26. 1.5 The Main Function

    27. Video 1.5.1 The Main Function
    28. Check for Understanding 1.5.2 The Main Function Quiz
    29. Example 1.5.3 Tower with Main Function
    30. Exercise 1.5.4 Pancakes with Main

    31. 1.6 Top Down Design and Decomposition in Karel

    32. Video 1.6.1 Top Down Design and Decomposition
    33. Check for Understanding 1.6.2 Top Down Design and Decomposition Quiz
    34. Video 1.6.3 Top Down Design and Decomposition in Karel
    35. Example 1.6.4 Hurdle Karel
    36. Exercise 1.6.5 The Two Towers

    37. 1.7 Commenting Your Code

    38. Video 1.7.1 Commenting Your Code
    39. Check for Understanding 1.7.2 Commenting Your Code Quiz
    40. Example 1.7.3 Hurdle Karel
    41. Exercise 1.7.4 The Two Towers + Comments

    42. 1.8 Super Karel

    43. Video 1.8.1 Super Karel
    44. Check for Understanding 1.8.2 Super Karel Quiz
    45. Example 1.8.3 Hurdle Karel (with SuperKarel)
    46. Exercise 1.8.4 The Two Towers + SuperKarel
    47. Badge 1.8.5 Super Karel Badge

    48. 1.9 For Loops

    49. Video 1.9.1 For Loops
    50. Check for Understanding 1.9.2 For Loops Quiz
    51. Example 1.9.3 Repeated Move
    52. Example 1.9.4 Put Down Tennis Balls
    53. Exercise 1.9.5 Take 'em All
    54. Exercise 1.9.6 Dizzy Karel
    55. Exercise 1.9.7 Ball in Each Corner
    56. Exercise 1.9.8 Lots of Hurdles

    57. 1.10 If Statements and Conditionals

    58. Video 1.10.1 If Statements and Conditionals
    59. Check for Understanding 1.10.2 If Statements and Conditionals Quiz
    60. Example 1.10.3 If Statements and Conditionals
    61. Example 1.10.4 Safe Take Ball
    62. Exercise 1.10.5 Is There a Ball?
    63. Exercise 1.10.6 Don't Crash!

    64. 1.11 If/Else Statements

    65. Video 1.11.1 If/Else Statements
    66. Check for Understanding 1.11.2 If/Else Statements Quiz
    67. Example 1.11.3 If/Else Statements
    68. Example 1.11.4 Opposite Day
    69. Exercise 1.11.5 Right Side Up
    70. Exercise 1.11.6 Right vs. Left Square
    71. Badge 1.11.7 Conditional Karel Badge

    72. 1.12 While Loops

    73. Video 1.12.1 While Loops
    74. Check for Understanding 1.12.2 While Loops Quiz
    75. Example 1.12.3 Move to Wall
    76. Exercise 1.12.4 Follow The Yellow Ball Road
    77. Exercise 1.12.5 Lay Row of Tennis Balls
    78. Exercise 1.12.6 Big Tower

    79. 1.13 How to Indent Your Code

    80. Video 1.13.1 How to Indent Your Code
    81. Check for Understanding 1.13.2 How to Indent Your Code Quiz
    82. Example 1.13.3 Dance and Clean Karel
    83. Exercise 1.13.4 Diagonal
    84. Exercise 1.13.5 Staircase
    85. Badge 1.13.6 Karel Exercises Badge

    86. 1.14 Control Structures Example

    87. Video 1.14.1 Control Structures Example
    88. Check for Understanding 1.14.2 Control Structures Example Quiz
    89. Example 1.14.3 Cleanup Karel
    90. Exercise 1.14.4 Random Hurdles

    91. 1.15 More Karel Examples and Testing

    92. Video 1.15.1 More Karel Examples and Testing
    93. Example 1.15.2 Move Tennis Ball Stack
    94. Video 1.15.3 Live Coding: Climbing Karel
    95. Example 1.15.4 Climbing Karel
    96. Check for Understanding 1.15.5 Quiz: Which Control Structure?
    97. Exercise 1.15.6 Opposite Corner

    98. 1.16 Programming with Karel Quiz

    99. Unit Quiz 1.16.1 Programming with Karel Quiz

  2. Karel Challenges

    1. 2.1 Challenge Problems

    2. Challenge 2.1.1 Fetch
    3. Challenge 2.1.2 Racing Karel
    4. Challenge 2.1.3 Tower Builder
    5. Challenge 2.1.4 Super Cleanup Karel
    6. Challenge 2.1.5 Double Tennis Balls
    7. Badge 2.1.6 Karel Challenges Badge

  3. JavaScript Basics

    1. 3.1 Hello World

    2. Video 3.1.1 Hello World
    3. Check for Understanding 3.1.2 Hello World Quiz
    4. Example 3.1.3 Hello World
    5. Exercise 3.1.4 Your Name and Hobby
    6. Exercise 3.1.5 ASCII Animals

    7. 3.2 Variables

    8. Video 3.2.1 Variables
    9. Video 3.2.2 Live Coding: Variables
    10. Check for Understanding 3.2.3 Variables Quiz
    11. Example 3.2.4 Basic Variables
    12. Exercise 3.2.5 Daily Activities
    13. Debugging 3.2.6 Debugging Variables

    14. 3.3 User Input

    15. Video 3.3.1 User Input
    16. Check for Understanding 3.3.2 User Input Quiz
    17. Example 3.3.3 Basic User Input
    18. Exercise 3.3.4 Dinner Plans
    19. Exercise 3.3.5 Mad Lib
    20. Badge 3.3.6 User Input Badge

    21. 3.4 Basic Math

    22. Video 3.4.1 Basic Math
    23. Check for Understanding 3.4.2 Basic Math Quiz
    24. Example 3.4.3 Simple Calculator
    25. Example 3.4.4 Dollars to Pounds
    26. Example 3.4.5 Dividing Up Groups
    27. Exercise 3.4.6 T-Shirt Shop
    28. Exercise 3.4.7 Running Speed

    29. 3.5 Collaborative Programming

    30. Video 3.5.1 Pair-Programming
    31. Check for Understanding 3.5.2 Pair-Programming
    32. Connection 3.5.3 Why Practice Pair-Programming?
    33. Free Response 3.5.4 Pair-Programming Reflection

    34. 3.6 Random Numbers

    35. Video 3.6.1 Random Numbers
    36. Check for Understanding 3.6.2 Random Numbers Quiz
    37. Example 3.6.3 Rolling a Die
    38. Exercise 3.6.4 Treasure Chest Loot
    39. Exercise 3.6.5 Multiplication Practice
    40. Badge 3.6.6 Randomizer Badge

    41. 3.7 Basic Functions

    42. Video 3.7.1 Basic Functions
    43. Notes 3.7.2 Variables in Functions
    44. Quiz 3.7.3 Basic Functions Quiz
    45. Example 3.7.4 Function Flow
    46. Exercise 3.7.5 Digital Business Card
    47. Exercise 3.7.6 ASCII Karel

    48. 3.8 JavaScript Basics Quiz

    49. Unit Quiz 3.8.1 JavaScript Basics Quiz
    50. Badge 3.8.2 JavaScript Basics Badge

  4. The Canvas and Graphics

    1. 4.1 Intro to the Canvas and Graphics

    2. Video 4.1.1 Intro to Canvas and Graphics
    3. Notes 4.1.2 Debug Mode for Positioning
    4. Video 4.1.3 Live Coding: Circle and Rectangle
    5. Connection 4.1.4 Canvas Coordinates
    6. Quiz 4.1.5 Canvas and Graphics Quiz
    7. Example 4.1.6 Creating a Circle
    8. Example 4.1.7 A Circle and a Rectangle
    9. Exercise 4.1.8 A Ball in a Box
    10. Exercise 4.1.9 Raise the Flag

    11. 4.2 More Graphics Objects

    12. Video 4.2.1 More Graphics Objects
    13. Video 4.2.2 Live Coding: More Graphics Objects
    14. Quiz 4.2.3 Graphics Objects Quiz
    15. Example 4.2.4 Cute Animals
    16. Example 4.2.5 Greetings, Earth!
    17. Exercise 4.2.6 Exploration: XY Plot
    18. Exercise 4.2.7 Create Your Meme
    19. Exercise 4.2.8 Saturday Mornings

    20. 4.3 Positioning Graphics Objects

    21. Video 4.3.1 Positioning Graphics Objects
    22. Quiz 4.3.2 Positioning Quiz
    23. Example 4.3.3 8 Ball
    24. Exercise 4.3.4 Color the Rainbow
    25. Challenge 4.3.5 Create Your Own Plant!

    26. 4.4 JavaScript Graphics Quiz

    27. Quiz 4.4.1 JavaScript Graphics Quiz

  5. Graphics Challenges

    1. 5.1 Graphics Challenges

    2. Challenge 5.1.1 Ghost
    3. Challenge 5.1.2 Fried Egg
    4. Challenge 5.1.3 Draw Something

  6. Control Structures

    1. 6.1 Booleans

    2. Video 6.1.1 Booleans
    3. Check for Understanding 6.1.2 Booleans Quiz
    4. Example 6.1.3 Boolean Exploration
    5. Exercise 6.1.4 Do You Have a Dog?
    6. Free Response 6.1.5 Booleans are Questions
    7. Exercise 6.1.6 Best Day Ever

    8. 6.2 If/Else Statements

    9. Video 6.2.1 If Statements
    10. Check for Understanding 6.2.2 If Statements Quiz
    11. Example 6.2.3 Are You Logged In?
    12. Exercise 6.2.4 Is It Raining?
    13. Exercise 6.2.5 Mood Playlist
    14. Badge 6.2.6 Conditionals Badge

    15. 6.3 Logical Operators

    16. Video 6.3.1 Logical Operators
    17. Check for Understanding 6.3.2 Logical Operators Quiz
    18. Example 6.3.3 Light Switch
    19. Example 6.3.4 Harry Potter
    20. Example 6.3.5 Weak Password
    21. Example 6.3.6 Logical Operators Game
    22. Exercise 6.3.7 Can You Graduate?
    23. Exercise 6.3.8 Switching Players
    24. Exercise 6.3.9 A Day of Decisions

    25. 6.4 Comparison Operators

    26. Video 6.4.1 Comparison Operators
    27. Check for Understanding 6.4.2 Comparison Operators Quiz
    28. Example 6.4.3 Great Names
    29. Example 6.4.4 Grade Range
    30. Example 6.4.5 Even and Odd
    31. Exercise 6.4.6 Rolling Dice
    32. Exercise 6.4.7 Teenagers
    33. Exercise 6.4.8 Rocket Launch Requirements
    34. Exercise 6.4.9 Trivia Game

    35. 6.5 Graphics and Conditionals

    36. Notes 6.5.1 Graphics and Conditionals
    37. Example 6.5.2 Circle or Rectangle?
    38. Exercise 6.5.3 Correct or Incorrect?
    39. Notes 6.5.4 Else If Statements
    40. Example 6.5.5 Conditional Circle Color
    41. Exercise 6.5.6 Odd or Even Shapes
    42. Quiz 6.5.7 Graphics and Conditionals Quiz
    43. Exercise 6.5.8 Interactive Modern Art

    44. 6.6 While Loops

    45. Video 6.6.1 While Loops
    46. Check for Understanding 6.6.2 While Loops Quiz
    47. Example 6.6.3 While Loop Countdown
    48. Debugging 6.6.4 Debugging: Best Name Ever
    49. Exercise 6.6.5 Level Up
    50. Exercise 6.6.6 Inventory

    51. 6.7 The Break Statement

    52. Video 6.7.1 The Break Statement
    53. Check for Understanding 6.7.2 The Break Statement Quiz
    54. Example 6.7.3 Adding Up Numbers
    55. Free Response 6.7.4 Break Statement Reflection
    56. Exercise 6.7.5 Snake Eyes
    57. Exercise 6.7.6 Better Password Prompt
    58. Exercise 6.7.7 Riddle Machine

    59. 6.8 While Loops and Graphics

    60. Notes 6.8.1 While Loops and Graphics
    61. Example 6.8.2 Lots of Circles
    62. Example 6.8.3 Corners on Corners
    63. Exercise 6.8.4 Concentric Circles
    64. Debugging 6.8.5 Debugging: Circle Positions
    65. Exercise 6.8.6 Growing Squares

    66. 6.9 For Loops

    67. Video 6.9.1 For Loops
    68. Example 6.9.2 For Loop Exploration
    69. Exercise 6.9.3 Chalkboard
    70. Example 6.9.4 Count By Twos
    71. Example 6.9.5 Eating Apples
    72. Debugging 6.9.6 Countdown by Sevens
    73. Check for Understanding 6.9.7 For Loops Quiz
    74. Exercise 6.9.8 Lives Left
    75. Example 6.9.9 For Loop Sum
    76. Exercise 6.9.10 Jukebox

    77. 6.10 For Loops and Graphics

    78. Notes 6.10.1 For Loops and Graphics
    79. Example 6.10.2 Lots of Circles Revisited
    80. Exercise 6.10.3 Exploration: Confetti
    81. Notes 6.10.4 Using i to Position Objects and Adjust Size
    82. Example 6.10.5 Horizontal Stripes #1: Using i to Adjust Position
    83. Example 6.10.6 Horizontal Stripes #2: Using i to Adjust Size
    84. Debugging 6.10.7 Debugging: Colorful Bullseye
    85. Exercise 6.10.8 Caterpillar
    86. Badge 6.10.9 Looper Badge

    87. 6.11 Javascript Control Structures Quiz

    88. Unit Quiz 6.11.1 JavaScript Control Structures Quiz

  7. Control Structures Challenges

    1. 7.1 Control Structures Challenges

    2. Challenge 7.1.1 Guessing Game
    3. Challenge 7.1.2 Landscape Generator
    4. Challenge 7.1.3 Exploring RGB Color Codes

  8. Functions

    1. 8.1 Parameters

    2. Video 8.1.1 Parameters
    3. Video 8.1.2 Live Coding: Parameters
    4. Quiz 8.1.3 Parameters Quiz
    5. Example 8.1.4 Greetings
    6. Example 8.1.5 Slope of a Line
    7. Example 8.1.6 Draw Lots of Circles!
    8. Exercise 8.1.7 Area of Triangle
    9. Exercise 8.1.8 Rainbow Revisited
    10. Exercise 8.1.9 Cityscape

    11. 8.2 Return Values

    12. Video 8.2.1 Return Values
    13. Quiz 8.2.2 Return Values Quiz
    14. Example 8.2.3 Mathematical Returns
    15. Example 8.2.4 Offscreen Graphics
    16. Exercise 8.2.5 Max
    17. Exercise 8.2.6 Overlapping Graphics
    18. Exercise 8.2.7 Is It Even?

    19. 8.3 Default Parameter Values

    20. Video 8.3.1 Default Parameter Values
    21. Quiz 8.3.2 Default Parameter Values Quiz
    22. Example 8.3.3 Default Printing
    23. Debugging 8.3.4 Farming International
    24. Exercise 8.3.5 Compound Interest
    25. Exercise 8.3.6 Default Face

    26. 8.4 Variable Scopes

    27. Video 8.4.1 Variable Scope
    28. Video 8.4.2 Live Coding: Variable Scope
    29. Quiz 8.4.3 Variable Scope Quiz
    30. Example 8.4.4 Scope of X
    31. Exercise 8.4.5 Exploration: Scope of Ball
    32. Free Response 8.4.6 Scope Reflection
    33. Challenge 8.4.7 Choose Wisely Game
    34. Badge 8.4.8 JavaScript Functions Badge

    35. 8.5 Functions Quiz

    36. Unit Quiz 8.5.1 Functions and Parameters Quiz

  9. Functions Challenges

    1. 9.1 Functions Challenges

    2. Challenge 9.1.1 Global Travel Assistant
    3. Challenge 9.1.2 Balloons
    4. Challenge 9.1.3 Ghost Invasion!
    5. Badge 9.1.4 Functions Challenges Badge

  10. Animation and Games

    1. 10.1 Timers

    2. Video 10.1.1 Timers
    3. Check for Understanding 10.1.2 Timers Quiz
    4. Example 10.1.3 Moving Ball
    5. Example 10.1.4 Magic 8 Ball
    6. Exercise 10.1.5 Crazy Ball
    7. Exercise 10.1.6 Paint Splatter
    8. Notes 10.1.7 Project: Evasion (Timers)
    9. Free Response 10.1.8 Project Info and Links

    10. 10.2 Stopping Timers

    11. Video 10.2.1 Stopping Timers
    12. Check for Understanding 10.2.2 Stop Timer Quiz
    13. Example 10.2.3 Random Circles
    14. Exercise 10.2.4 Growing Circle
    15. Exercise 10.2.5 Brick Wall
    16. Notes 10.2.6 Project: Evasion (Stop Timers)
    17. Badge 10.2.7 Animating Shapes Badge

    18. 10.3 Collisions

    19. Video 10.3.1 Collisions
    20. Video 10.3.2 Live Coding: Collisions
    21. Check for Understanding 10.3.3 Collisions Quiz
    22. Example 10.3.4 Bouncing Ball
    23. Exercise 10.3.5 Collision Simulation
    24. Exercise 10.3.6 Carnival Game
    25. Notes 10.3.7 Project: Evasion (Collisions)

    26. 10.4 Mouse Click Events

    27. Video 10.4.1 Mouse Click Events
    28. Check for Understanding 10.4.2 Mouse Click Quiz
    29. Example 10.4.3 Click For Circles
    30. Exercise 10.4.4 Pausing the Carnival Game
    31. Exercise 10.4.5 Dripping Paint
    32. Notes 10.4.6 Project: Evasion (Mouse Click)

    33. 10.5 More Mouse Events

    34. Video 10.5.1 More Mouse Events
    35. Check for Understanding 10.5.2 More Mouse Events Quiz
    36. Example 10.5.3 Simple Painting
    37. Example 10.5.4 Painting with Color
    38. Exercise 10.5.5 Coordinates
    39. Exercise 10.5.6 Target
    40. Exercise 10.5.7 Drag and Drop
    41. Notes 10.5.8 Project: Evasion (More Mouse)
    42. Badge 10.5.9 Advanced Animator Badge

    43. 10.6 Key Events

    44. Video 10.6.1 Key Events
    45. Check for Understanding 10.6.2 Key Events Quiz
    46. Example 10.6.3 Keyboard Character
    47. Exercise 10.6.4 Basic Snake
    48. Notes 10.6.5 Project: Evasion (Key Events)
    49. Free Response 10.6.6 Project Reflection

    50. 10.7 Animation and Games Quiz

    51. Unit Quiz 10.7.1 Animation and Games Quiz

  11. Animation Challenges

    1. 11.1 Animation Challenges

    2. Challenge 11.1.1 Blinking Rectangles
    3. Challenge 11.1.2 Increasing Number of Shapes

  12. Project: Breakout

    1. 12.1 Breakout

    2. Notes 12.1.1 Breakout Introduction
    3. Challenge 12.1.2 Bricks
    4. Challenge 12.1.3 Ball and Paddle
    5. Challenge 12.1.4 Collisions
    6. Badge 12.1.5 Breakout Badge

  13. Final Project

    1. 13.1 Project Prep and Development

    2. Notes 13.1.1 Project Introduction
    3. Free Response 13.1.2 Planning and Design
    4. Pseudocode 13.1.3 Pseudocode
    5. Challenge 13.1.4 Write the Code!
    6. Presentation 13.1.5 Present your Project

  14. Final Exam

    1. 14.1 Final Exam

    2. Final 14.1.1 JavaScript Final Exam Pt. 1: Multiple Choice

  15. Midterm

    1. 15.1 Midterm

    2. Midterm 15.1.1 Midterm Pt 1: Multiple Choice

  16. Practice: Karel

    1. 16.1 Extra Karel Practice

    2. Challenge 16.1.1 Functions Practice: K For Karel
    3. Challenge 16.1.2 Functions Practice: Karel Plants A Tree
    4. Challenge 16.1.3 Functions Practice: X Marks the Spot
    5. Challenge 16.1.4 While Loop Practice: Blackout
    6. Challenge 16.1.5 While Loop Practice: Move To Top
    7. Challenge 16.1.6 While Loop Practice: Checkered Row
    8. Challenge 16.1.7 For Loop Practice: Tall Hurdles
    9. Challenge 16.1.8 Functions and While Loop Practice: Row and Back
    10. Challenge 16.1.9 Functions and For Loop Practice: Opposite Squares
    11. Challenge 16.1.10 Stairway To Heaven
    12. Badge 16.1.11 Karel Practice Badge
    13. Exercise 16.1.12 For Loop Square

    14. 16.2 Extra Karel Puzzles

    15. Challenge 16.2.1 Midpoint Karel
    16. Challenge 16.2.2 Target Karel
    17. Challenge 16.2.3 The Winding Yellow Road
    18. Challenge 16.2.4 Super Random Hurdles
    19. Challenge 16.2.5 Copy
    20. Challenge 16.2.6 Multiply
    21. Challenge 16.2.7 Fibonacci Karel
    22. Challenge 16.2.8 Comparison Karel
    23. Challenge 16.2.9 Swap
    24. Challenge 16.2.10 Sorting Karel
    25. Badge 16.2.11 Karel Puzzles Badge

  17. Practice: Functions

    1. 17.1 Functions and Parameters Practice

    2. Challenge 17.1.1 Taking a Power
    3. Challenge 17.1.2 Dot Rectangle
    4. Challenge 17.1.3 Print the Date
    5. Challenge 17.1.4 Grades
    6. Challenge 17.1.5 Concentric Circles
    7. Challenge 17.1.6 Graphics Staircase
    8. Exercise 17.1.7 The Weekend
    9. Badge 17.1.8 Functions and Parameters Badge

  18. Practice: Console Challenges

    1. 18.1 Prime Numbers

    2. Example 18.1.1 Secret Password
    3. Example 18.1.2 Voting Age
    4. Example 18.1.3 Negative Numbers
    5. Exercise 18.1.4 Fibonacci
    6. Exercise 18.1.5 Better Sum
    7. Exercise 18.1.6 Factorial
    8. Exercise 18.1.7 All Dice Values
    9. Exercise 18.1.8 Powers of Two
    10. Challenge 18.1.9 Prime Numbers
    11. Challenge 18.1.10 Find the Max
    12. Challenge 18.1.11 Prime Factorization
    13. Challenge 18.1.12 Fizz Buzz
    14. Challenge 18.1.13 Grid Printer
    15. Challenge 18.1.14 Number Sum
    16. Challenge 18.1.15 Hailstone Sequence
    17. Challenge 18.1.16 Pythagorean Triples
    18. Challenge 18.1.17 Digit Array
    19. Badge 18.1.18 Console Challenges Badge

  19. Practice: Graphics and Animation

    1. 19.1 Fun Snake

    2. Challenge 19.1.1 Fun Snake 1
    3. Challenge 19.1.2 Fun Snake 2
    4. Challenge 19.1.3 Fun Snake 3
    5. Challenge 19.1.4 Fun Snake 4 - A Full Game!

    6. 19.2 Fun Graphics Challenges

    7. Exercise 19.2.1 The Worm
    8. Challenge 19.2.2 Happy Birthday!
    9. Challenge 19.2.3 Balloons
    10. Challenge 19.2.4 Broccoli
    11. Challenge 19.2.5 Circles in Squares
    12. Challenge 19.2.6 Blinking Rectangles
    13. Challenge 19.2.7 Circles in Circles
    14. Challenge 19.2.8 Snowman Loop
    15. Badge 19.2.9 Graphics Challenges Badge

    16. 19.3 Animation Practice

    17. Example 19.3.1 Random Ghosts
    18. Example 19.3.2 Spinner
    19. Example 19.3.3 Random Fireworks
    20. Example 19.3.4 Drawing Lines
    21. Example 19.3.5 Colorful Drag to Paint
    22. Example 19.3.6 Keyboard Square
    23. Example 19.3.7 Click For Ghosts
    24. Exercise 19.3.8 Circle Wall
    25. Exercise 19.3.9 Hotspot Ball
    26. Exercise 19.3.10 Trail
    27. Exercise 19.3.11 Teleporting Ball
    28. Exercise 19.3.12 Leash
    29. Exercise 19.3.13 Pause

    30. 19.4 Crazy Ball Game

    31. Video 19.4.1 Crazy Ball Game 1
    32. Check for Understanding 19.4.2 Crazy Ball Game Quiz 1
    33. Example 19.4.3 Crazy Ball Game 1
    34. Video 19.4.4 Crazy Ball Game 2
    35. Check for Understanding 19.4.5 Crazy Ball Game Quiz 2
    36. Example 19.4.6 Crazy Ball Game 2
    37. Exercise 19.4.7 Click for Collision
    38. Exercise 19.4.8 Drag and Drop

  20. Extra Quiz Questions

    1. 20.1 Basic Javascript and Graphics

    2. Check for Understanding 20.1.1 For Loop Examples Quiz
    3. Quiz 20.1.2 Extra JavaScript Graphics Quesions
    4. Quiz 20.1.3 Extra Logical Operators Questions
    5. Quiz 20.1.4 Extra Functions and Return Values Questions
    6. Quiz 20.1.5 Extra Local Variables and Scope Questions
    7. Check for Understanding 20.1.6 General For Loop Quiz

    8. 20.2 Animation and Games

    9. Quiz 20.2.1 Extra Timers Questions
    10. Quiz 20.2.2 Extra Bouncing Ball Questions
    11. Quiz 20.2.3 Extra Mouse Events: Mouse Clicked Questions
    12. Quiz 20.2.4 Extra Key Events Questions
    13. Quiz 20.2.5 Extra Crazy Ball Game Questions

    14. 20.3 Basic Data Structures

    15. Quiz 20.3.1 Extra Intro to Lists/Arrays Questions
    16. Quiz 20.3.2 Extra Indexing into an Array Questions
    17. Quiz 20.3.3 Extra Adding/Removing from an Array Questions
    18. Quiz 20.3.4 Extra Array Length and Looping Through Arrays Questions
    19. Quiz 20.3.5 Extra Iterating Over an Array Questions
    20. Quiz 20.3.6 Extra Finding an Element in a List Questions
    21. Quiz 20.3.7 Extra Removing an Element from an Array Questions
    22. Quiz 20.3.8 Extra Basics of Objects Questions
    23. Quiz 20.3.9 Extra Intro to Sets Questions
    24. Quiz 20.3.10 Extra Intro to Grids Questions

  21. Extension: Visualizing Music

    1. 21.1 Visualizing Music

    2. Video 21.1.1 Visualizing Music
    3. Example 21.1.2 Our First Visualization
    4. Example 21.1.3 Vertical Bars
    5. Example 21.1.4 Vertical Bars with Color
    6. Example 21.1.5 Changing Circles
    7. Exercise 21.1.6 Your First Visualization
    8. Exercise 21.1.7 Changing Colors
    9. Exercise 21.1.8 Custom Colors
    10. Exercise 21.1.9 Create Your Own Music Visualization

  22. Extension: Data Structures

    1. 22.1 Intro to Lists/Arrays

    2. Video 22.1.1 Intro to Lists/Arrays
    3. Check for Understanding 22.1.2 Intro to Lists/Arrays Quiz
    4. Example 22.1.3 Making an Array
    5. Exercise 22.1.4 List of Places to Travel
    6. Exercise 22.1.5 List of Even Numbers

    7. 22.2 Indexing Into an Array

    8. Video 22.2.1 Indexing Into an Array
    9. Check for Understanding 22.2.2 Indexing into an Array Quiz
    10. Example 22.2.3 Array Indexing Practice
    11. Exercise 22.2.4 Top Websites

    12. 22.3 Adding/Removing From an Array

    13. Video 22.3.1 Adding/Removing From an Array
    14. Check for Understanding 22.3.2 Adding/Removing from an Array Quiz
    15. Example 22.3.3 Add/Remove From Array
    16. Exercise 22.3.4 Practice Push and Pop

    17. 22.4 Array Length and Looping Through Arrays

    18. Video 22.4.1 Array Length and Looping Through Arrays
    19. Check for Understanding 22.4.2 Array Length and Looping Through Arrays Quiz
    20. Example 22.4.3 Print Shopping List
    21. Example 22.4.4 Sum Array
    22. Exercise 22.4.5 Product of List
    23. Exercise 22.4.6 Print Flight Itinerary
    24. Exercise 22.4.7 Double List
    25. Exercise 22.4.8 Evens Only List
    26. Exercise 22.4.9 Reverse List

    27. 22.5 Iterating Over an Array

    28. Video 22.5.1 Examples: Iterating Over an Array
    29. Check for Understanding 22.5.2 Iterating Over an Array Quiz
    30. Example 22.5.3 Coin Flips
    31. Example 22.5.4 Many Crazy Balls
    32. Exercise 22.5.5 Coin Flip Fun: Number of Heads and Tails
    33. Exercise 22.5.6 Coin Flip Fun: Longest Streak of Heads
    34. Exercise 22.5.7 Changing Circles
    35. Exercise 22.5.8 Draw a Barcode

    36. 22.6 Finding an Element in a List

    37. Video 22.6.1 Finding an Element in a List
    38. Check for Understanding 22.6.2 Finding an Element in a List Quiz
    39. Example 22.6.3 Array indexOf
    40. Exercise 22.6.4 Who is in Line?

    41. 22.7 Removing an Element From an Array

    42. Video 22.7.1 Removing an Element From an Array
    43. Check for Understanding 22.7.2 Removing an Element from an Array Quiz
    44. Example 22.7.3 Splice and Remove
    45. Exercise 22.7.4 Remove From Line

    46. 22.8 Intro to Objects/Maps

    47. Video 22.8.1 Intro to Objects/Maps
    48. Check for Understanding 22.8.2 Intro to Objects / Maps Quiz
    49. Example 22.8.3 Phonebook
    50. Exercise 22.8.4 Sidekicks

    51. 22.9 Basics of Objects

    52. Video 22.9.1 Basics of Objects
    53. Check for Understanding 22.9.2 Basics of Objects Quiz
    54. Example 22.9.3 Object Literal Phonebook
    55. Example 22.9.4 Object Property Phonebook
    56. Example 22.9.5 Beware Dot Notation!
    57. Exercise 22.9.6 Address Book

    58. 22.10 Iterating Over an Object

    59. Video 22.10.1 Iterating Over An Object
    60. Check for Understanding 22.10.2 Iterating over an Object Quiz
    61. Example 22.10.3 Print Phonebook
    62. Exercise 22.10.4 Hogwarts

    63. 22.11 When Do I Use an Object?

    64. Video 22.11.1 When Do I Use An Object?
    65. Check for Understanding 22.11.2 When do I use an Object Quiz
    66. Example 22.11.3 Facebook Friend Lists
    67. Example 22.11.4 Does the Key Exist?
    68. Exercise 22.11.5 Text Messages

    69. 22.12 Intro to Sets

    70. Video 22.12.1 Intro to Sets
    71. Check for Understanding 22.12.2 Intro to Sets Quiz
    72. Example 22.12.3 Basic Sets
    73. Exercise 22.12.4 Vowels
    74. Exercise 22.12.5 Mutual Friends
    75. Exercise 22.12.6 Total Network of Friends

    76. 22.13 Intro to Grids

    77. Video 22.13.1 Intro to Grids
    78. Check for Understanding 22.13.2 Intro to Grids Quiz
    79. Example 22.13.3 Grid Basics
    80. Exercise 22.13.4 Building a Database

    81. 22.14 Looping Over a Grid

    82. Video 22.14.1 Looping Over a Grid
    83. Check for Understanding 22.14.2 Looping Over a Grid Quiz
    84. Example 22.14.3 Print Grid
    85. Exercise 22.14.4 Summing Grid

    86. 22.15 Grid Example: Get a Row

    87. Video 22.15.1 Grid Example: Get a Row
    88. Check for Understanding 22.15.2 Grid Example: Get a Row Quiz
    89. Example 22.15.3 Get a Row
    90. Exercise 22.15.4 Grid Diagonal
    91. Badge 22.15.5 Data Structures Exercises Badge

    92. 22.16 Data Structures Challenges

    93. Challenge 22.16.1 Watercolor Grid
    94. Unit Quiz 22.16.2 Data Structures Unit Quiz
    95. Badge 22.16.3 Data Structures Challenges Badge

  23. Practice: Data Structures Challenges

    1. 23.1 Conway's Game of Life

    2. Exercise 23.1.1 Make The Grid
    3. Exercise 23.1.2 Find Life
    4. Exercise 23.1.3 Finish Up

    5. 23.2 Connect Four

    6. Exercise 23.2.1 Make The Board
    7. Exercise 23.2.2 Take Turns
    8. Exercise 23.2.3 Find the Winner

  24. Project: Tic Tac Toe

    1. 24.1 Tic Tac Toe

  25. Project: Helicopter Game

    1. 25.1 Game Design: Helicopter

    2. Video 25.1.1 Introduction to Helicopter

    3. 25.2 Basics

    4. Video 25.2.1 Moving the Helicopter
    5. Exercise 25.2.2 Moving the Helicopter
    6. Video 25.2.3 Adding Obstacles
    7. Exercise 25.2.4 Adding Obstacles
    8. Video 25.2.5 Smoother Movement
    9. Exercise 25.2.6 Smoother Movement
    10. Badge 25.2.7 Smooth Movement Badge

    11. 25.3 Improvements

    12. Video 25.3.1 Colliding with Walls
    13. Exercise 25.3.2 Wall Collisions
    14. Video 25.3.3 Colliding with Obstacles
    15. Exercise 25.3.4 Obstacle Collisions
    16. Video 25.3.5 Adding Terrain
    17. Exercise 25.3.6 Adding Terrain
    18. Video 25.3.7 Moving the Terrain
    19. Exercise 25.3.8 Moving the Terrain

    20. 25.4 Polish

    21. Video 25.4.1 Helicopter Image and Points!
    22. Exercise 25.4.2 Image and Points
    23. Video 25.4.3 Dust
    24. Exercise 25.4.4 Dust
    25. Video 25.4.5 More Obstacles
    26. Exercise 25.4.6 More Obstacles
    27. Challenge 25.4.7 Helicopter Extensions
    28. Badge 25.4.8 Helicopter Badge

    29. 25.5 Intro to Computer Science Completed

    30. Badge 25.5.1 Intro to Computer Science Badge

  26. Intro to CS: JavaScript Pretest

    1. 26.1 Intro to CS: JavaScript Pretest

    2. Notes 26.1.1 About the Pretest
    3. Survey 26.1.2 Mindsets
    4. Quiz 26.1.3 JavaScript Knowledge & Skills