NH 2: 2-AP-19

CodeHS Lessons

Document programs in order to make them easier to follow, test, and debug.

 Standard 3.2 Variables 3.2 Variables 3.3 User Input 3.3 User Input 3.4 Basic Math in JavaScript 3.4 Basic Math in JavaScript 3.5 Using Graphics in JavaScript 3.5 Using Graphics in JavaScript 5.1 Booleans 5.1 Booleans 5.2 Logical Operators 5.2 Logical Operators 5.3 Comparison Operators 5.3 Comparison Operators 5.4 If Statements 5.4 If Statements 5.5 For Loops in JavaScript 5.5 For Loops in JavaScript 5.6 General For Loops 5.6 General For Loops 5.7 For Loop Practice 5.7 For Loop Practice 5.8 Random Numbers 5.8 Random Numbers 5.9 While Loops 5.9 While Loops 5.10 Loop and a Half 5.10 Loop and a Half 7.1 Functions and Parameters 1 7.1 Functions and Parameters 1 7.2 Functions and Parameters 2 7.2 Functions and Parameters 2 7.3 Functions and Parameters 3 7.3 Functions and Parameters 3 8.1 Functions Challenges 8.1 Functions Challenges 9.1 Timers 9.1 Timers 9.2 Random Circles 9.2 Random Circles 9.3 Random Ghosts 9.3 Random Ghosts 9.4 Bouncing Ball 9.4 Bouncing Ball 9.5 Mouse Events: Mouse Clicked 9.5 Mouse Events: Mouse Clicked 9.6 Mouse Events: Mouse Moved 9.6 Mouse Events: Mouse Moved 9.7 Drawing Lines 9.7 Drawing Lines 9.8 Key Events 9.8 Key Events 9.9 Crazy Ball Game 9.9 Crazy Ball Game 11.1 Breakout 11.1 Breakout 25.1 Intro to Lists/Arrays 25.2 Indexing Into an Array 25.3 Adding/Removing From an Array 25.4 Array Length and Looping Through Arrays 25.5 Iterating Over an Array 25.6 Finding an Element in a List 25.7 Removing an Element From an Array 25.8 Intro to Objects/Maps 25.9 Basics of Objects 25.10 Iterating Over an Object 25.11 When Do I Use an Object? 25.12 Intro to Sets 25.13 Intro to Grids 25.14 Looping Over a Grid 25.15 Grid Example: Get a Row 25.16 Data Structures Challenges 27.1 Game Design: Helicopter 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 26.1 Tic Tac Toe 24.1 Visualizing Music 21.1 Evolution Simulation 20.1 Conway's Game of Life 20.2 Connect Four 19.1 Fun Snake 19.2 Fun Graphics Challenges 18.1 Prime Numbers 17.1 Functions and Parameters Practice 25.1 Intro to Lists/Arrays 25.2 Indexing Into an Array 25.3 Adding/Removing From an Array 25.4 Array Length and Looping Through Arrays 25.5 Iterating Over an Array 25.6 Finding an Element in a List 25.7 Removing an Element From an Array 25.8 Intro to Objects/Maps 25.9 Basics of Objects 25.10 Iterating Over an Object 25.11 When Do I Use an Object? 25.12 Intro to Sets 25.13 Intro to Grids 25.14 Looping Over a Grid 25.15 Grid Example: Get a Row 25.16 Data Structures Challenges 27.1 Game Design: Helicopter 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 26.1 Tic Tac Toe 24.1 Visualizing Music 21.1 Evolution Simulation 20.1 Conway's Game of Life 20.2 Connect Four 19.1 Fun Snake 19.2 Fun Graphics Challenges 18.1 Prime Numbers 17.1 Functions and Parameters Practice
 Standard 1.16 Karel Challenges 1.16 Karel Challenges 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles 13.6 Comments
 Standard 9.2 Variables 9.3 User Input 9.4 Basic Math in JavaScript 9.5 Booleans 9.6 Logical Operators 9.7 Comparison Operators 9.8 If Statements 9.9 For Loops in JavaScript 9.10 For Loop Practice 9.11 Random Numbers 9.12 While Loops 9.13 Loop and a Half 9.14 Functions and Parameters 1 9.15 Functions and Parameters 2 9.19 Intro to Lists/Arrays 9.20 Indexing Into an Array 9.21 Adding/Removing From an Array 9.22 Array Length and Looping Through Arrays 9.2 Variables 9.3 User Input 9.4 Basic Math in JavaScript 9.5 Booleans 9.6 Logical Operators 9.7 Comparison Operators 9.8 If Statements 9.9 For Loops in JavaScript 9.10 For Loop Practice 9.11 Random Numbers 9.12 While Loops 9.13 Loop and a Half 9.14 Functions and Parameters 1 9.15 Functions and Parameters 2 9.19 Intro to Lists/Arrays 9.20 Indexing Into an Array 9.21 Adding/Removing From an Array 9.22 Array Length and Looping Through Arrays
 Standard 4.6 Organizational Techniques 6.1 Project: Classic Cipher Newscast 6.1 Project: Classic Cipher Newscast 22.1 Booleans 22.2 Logical Operators 22.3 Comparison Operators 22.4 If Statements 22.5 For Loops in JavaScript 22.6 General For Loops 22.7 For Loop Practice 22.8 Random Numbers 22.9 While Loops 22.10 Loop and a Half 22.1 Booleans 22.2 Logical Operators 22.3 Comparison Operators 22.4 If Statements 22.5 For Loops in JavaScript 22.6 General For Loops 22.7 For Loop Practice 22.8 Random Numbers 22.9 While Loops 22.10 Loop and a Half
 Standard 1.5 Hash Function Development 1.5 Hash Function Development
 Standard 9.1 Extra Karel Practice 10.1 Extra Karel Puzzles 9.1 Extra Karel Practice 10.1 Extra Karel Puzzles
 Standard 2.16 Karel Challenges 2.16 Karel Challenges 3.6 Comments 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles
 Standard 2.16 Karel Challenges 2.16 Karel Challenges 3.2 Variables 3.2 Variables 3.3 User Input 3.3 User Input 3.4 Basic Math in JavaScript 3.4 Basic Math in JavaScript 3.5 Using Graphics in JavaScript 3.5 Using Graphics in JavaScript 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles 6.6 Comments
 Standard 1.16 Karel Challenges 1.16 Karel Challenges
 Standard 3.2 Variables 3.2 Variables 3.3 User Input 3.3 User Input 3.4 Basic Math in JavaScript 3.4 Basic Math in JavaScript 3.5 Using Graphics in JavaScript 3.5 Using Graphics in JavaScript 5.3 Comments & Pseudocode 6.1 Booleans 6.1 Booleans 6.2 Logical Operators 6.2 Logical Operators 6.3 Comparison Operators 6.3 Comparison Operators 6.4 If Statements 6.4 If Statements 6.5 For Loops in JavaScript 6.5 For Loops in JavaScript 6.6 General For Loops 6.6 General For Loops 6.7 For Loop Practice 6.7 For Loop Practice 6.8 Random Numbers 6.8 Random Numbers 6.9 While Loops 6.9 While Loops 6.10 Loop and a Half 6.10 Loop and a Half 8.1 Functions and Parameters 1 8.1 Functions and Parameters 1 8.2 Functions and Parameters 2 8.2 Functions and Parameters 2 8.3 Functions and Parameters 3 8.3 Functions and Parameters 3 9.1 Functions Challenges 9.1 Functions Challenges 11.1 Timers 11.1 Timers 11.2 Random Circles 11.2 Random Circles 11.3 Random Ghosts 11.3 Random Ghosts 11.4 Bouncing Ball 11.4 Bouncing Ball 11.5 Mouse Events: Mouse Clicked 11.5 Mouse Events: Mouse Clicked 11.6 Mouse Events: Mouse Moved 11.6 Mouse Events: Mouse Moved 11.7 Drawing Lines 11.7 Drawing Lines 11.8 Key Events 11.8 Key Events 11.9 Crazy Ball Game 11.9 Crazy Ball Game 13.1 Breakout 13.1 Breakout 22.1 Game Design: Helicopter 18.1 Extra Karel Practice 19.1 Extra Karel Puzzles 21.1 Tic Tac Toe 20.1 Functions and Parameters Practice 22.1 Game Design: Helicopter 18.1 Extra Karel Practice 19.1 Extra Karel Puzzles 21.1 Tic Tac Toe 20.1 Functions and Parameters Practice
 Standard 3.1 Comments 5.3 Comments & Pseudocode
 Standard 2.3 Comments & Pseudocode
 Standard 1.3 Comments & Pseudocode
 Standard 1.3 Comments & Pseudocode
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 3.3 Comments & Pseudocode 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.16 Karel Challenges 12.1 Extra Karel Puzzles
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.8 Random Numbers 7.8 Random Numbers 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 6.3 Variables 6.3 Variables 6.4 User Input 6.4 User Input 6.5 Basic Math in JavaScript 6.5 Basic Math in JavaScript 6.6 Using Graphics in JavaScript 6.6 Using Graphics in JavaScript 8.1 Booleans 8.1 Booleans 8.2 Logical Operators 8.2 Logical Operators 8.3 Comparison Operators 8.3 Comparison Operators 8.4 If Statements 8.4 If Statements 8.5 For Loops in JavaScript 8.5 For Loops in JavaScript 8.6 General For Loops 8.6 General For Loops 8.7 For Loop Practice 8.7 For Loop Practice 8.8 Random Numbers 8.8 Random Numbers 8.9 While Loops 8.9 While Loops 8.10 Loop and a Half 8.10 Loop and a Half 10.1 Functions and Parameters 1 10.1 Functions and Parameters 1 10.2 Functions and Parameters 2 10.2 Functions and Parameters 2 10.3 Functions and Parameters 3 10.3 Functions and Parameters 3 10.7 Timers 10.7 Timers 10.8 Random Circles 10.8 Random Circles 10.9 Random Ghosts 10.9 Random Ghosts 10.10 Bouncing Ball 10.10 Bouncing Ball 10.11 Mouse Events: Mouse Clicked 10.11 Mouse Events: Mouse Clicked 10.12 Intro to Lists/Arrays 10.12 Intro to Lists/Arrays 10.13 Adding/Removing From an Array 10.13 Adding/Removing From an Array 10.14 Array Length and Looping Through Arrays 10.14 Array Length and Looping Through Arrays 10.15 Iterating Over an Array 10.15 Iterating Over an Array 18.1 Mouse Events: Mouse Moved 18.2 Drawing Lines 18.3 Key Events 18.4 Crazy Ball Game 13.1 Indexing Into an Array 13.2 Finding an Element in a List 13.3 Removing an Element From an Array 14.1 Intro to Objects/Maps 14.2 Basics of Objects 14.3 Iterating Over an Object 14.4 When Do I Use an Object? 14.5 Intro to Sets 14.6 Intro to Grids 14.7 Looping Over a Grid 14.8 Grid Example: Get a Row 14.9 Data Structures Challenges 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 17.1 Functions and Parameters Practice 18.1 Mouse Events: Mouse Moved 18.2 Drawing Lines 18.3 Key Events 18.4 Crazy Ball Game 13.1 Indexing Into an Array 13.2 Finding an Element in a List 13.3 Removing an Element From an Array 14.1 Intro to Objects/Maps 14.2 Basics of Objects 14.3 Iterating Over an Object 14.4 When Do I Use an Object? 14.5 Intro to Sets 14.6 Intro to Grids 14.7 Looping Over a Grid 14.8 Grid Example: Get a Row 14.9 Data Structures Challenges 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 17.1 Functions and Parameters Practice
 Standard 6.2 Variables 6.2 Variables 6.3 User Input 6.3 User Input 6.4 Basic Math in JavaScript 6.4 Basic Math in JavaScript 6.5 Using Graphics in JavaScript 6.5 Using Graphics in JavaScript 8.1 Booleans 8.1 Booleans 8.2 Logical Operators 8.2 Logical Operators 8.3 Comparison Operators 8.3 Comparison Operators 8.4 If Statements 8.4 If Statements 8.5 For Loops in JavaScript 8.5 For Loops in JavaScript 8.6 General For Loops 8.6 General For Loops 8.7 For Loop Practice 8.7 For Loop Practice 8.8 Random Numbers 8.8 Random Numbers 8.9 While Loops 8.9 While Loops 8.10 Loop and a Half 8.10 Loop and a Half 10.1 Functions and Parameters 1 10.1 Functions and Parameters 1 10.2 Functions and Parameters 2 10.2 Functions and Parameters 2 10.3 Functions and Parameters 3 10.3 Functions and Parameters 3 10.6 Timers 10.6 Timers 10.7 Random Circles 10.7 Random Circles 10.8 Random Ghosts 10.8 Random Ghosts 10.9 Bouncing Ball 10.9 Bouncing Ball 10.10 Mouse Events: Mouse Clicked 10.10 Mouse Events: Mouse Clicked 10.11 Intro to Lists/Arrays 10.11 Intro to Lists/Arrays 10.12 Adding/Removing From an Array 10.12 Adding/Removing From an Array 10.13 Array Length and Looping Through Arrays 10.13 Array Length and Looping Through Arrays 10.14 Iterating Over an Array 10.14 Iterating Over an Array 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.3 Key Events 16.4 Crazy Ball Game 17.1 Indexing Into an Array 17.2 Finding an Element in a List 17.3 Removing an Element From an Array 18.1 Intro to Objects/Maps 18.2 Basics of Objects 18.3 Iterating Over an Object 18.4 When Do I Use an Object? 18.5 Intro to Sets 18.6 Intro to Grids 18.7 Looping Over a Grid 18.8 Grid Example: Get a Row 18.9 Data Structures Challenges 13.1 Extra Karel Practice 14.1 Extra Karel Puzzles 15.1 Functions and Parameters Practice 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.3 Key Events 16.4 Crazy Ball Game 17.1 Indexing Into an Array 17.2 Finding an Element in a List 17.3 Removing an Element From an Array 18.1 Intro to Objects/Maps 18.2 Basics of Objects 18.3 Iterating Over an Object 18.4 When Do I Use an Object? 18.5 Intro to Sets 18.6 Intro to Grids 18.7 Looping Over a Grid 18.8 Grid Example: Get a Row 18.9 Data Structures Challenges 13.1 Extra Karel Practice 14.1 Extra Karel Puzzles 15.1 Functions and Parameters Practice
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 3.3 Comments & Pseudocode 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.16 Karel Challenges 12.1 Extra Karel Puzzles
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 3.3 Comments & Pseudocode 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.16 Karel Challenges 12.1 Extra Karel Puzzles
 Standard 6.2 Variables 6.2 Variables 6.3 User Input 6.3 User Input 6.4 Basic Math in JavaScript 6.4 Basic Math in JavaScript 6.5 Using Graphics in JavaScript 6.5 Using Graphics in JavaScript 9.1 Booleans 9.1 Booleans 9.2 Logical Operators 9.2 Logical Operators 9.3 Comparison Operators 9.3 Comparison Operators 9.4 If Statements 9.4 If Statements 9.5 For Loops in JavaScript 9.5 For Loops in JavaScript 9.6 General For Loops 9.6 General For Loops 9.7 For Loop Practice 9.7 For Loop Practice 9.8 Random Numbers 9.8 Random Numbers 9.9 While Loops 9.9 While Loops 9.10 Loop and a Half 9.10 Loop and a Half 11.1 Functions and Parameters 1 11.1 Functions and Parameters 1 11.2 Functions and Parameters 2 11.2 Functions and Parameters 2 11.3 Functions and Parameters 3 11.3 Functions and Parameters 3 11.6 Timers 11.6 Timers 11.7 Random Circles 11.7 Random Circles 11.8 Random Ghosts 11.8 Random Ghosts 11.9 Bouncing Ball 11.9 Bouncing Ball 11.10 Mouse Events: Mouse Clicked 11.10 Mouse Events: Mouse Clicked 11.11 Intro to Lists/Arrays 11.11 Intro to Lists/Arrays 11.12 Adding/Removing From an Array 11.12 Adding/Removing From an Array 11.13 Array Length and Looping Through Arrays 11.13 Array Length and Looping Through Arrays 11.14 Iterating Over an Array 11.14 Iterating Over an Array 17.1 Mouse Events: Mouse Moved 17.2 Drawing Lines 17.3 Key Events 17.4 Crazy Ball Game 18.1 Indexing Into an Array 18.2 Finding an Element in a List 18.3 Removing an Element From an Array 19.1 Intro to Objects/Maps 19.2 Basics of Objects 19.3 Iterating Over an Object 19.4 When Do I Use an Object? 19.5 Intro to Sets 19.6 Intro to Grids 19.7 Looping Over a Grid 19.8 Grid Example: Get a Row 19.9 Data Structures Challenges 14.1 Extra Karel Practice 15.1 Extra Karel Puzzles 16.1 Functions and Parameters Practice 17.1 Mouse Events: Mouse Moved 17.2 Drawing Lines 17.3 Key Events 17.4 Crazy Ball Game 18.1 Indexing Into an Array 18.2 Finding an Element in a List 18.3 Removing an Element From an Array 19.1 Intro to Objects/Maps 19.2 Basics of Objects 19.3 Iterating Over an Object 19.4 When Do I Use an Object? 19.5 Intro to Sets 19.6 Intro to Grids 19.7 Looping Over a Grid 19.8 Grid Example: Get a Row 19.9 Data Structures Challenges 14.1 Extra Karel Practice 15.1 Extra Karel Puzzles 16.1 Functions and Parameters Practice
 Standard 6.5 Organizational Techniques
 Standard 4.3 Variables 4.3 Variables 4.4 User Input 4.4 User Input 4.5 Basic Math in JavaScript 4.5 Basic Math in JavaScript 4.6 Using Graphics in JavaScript 4.6 Using Graphics in JavaScript 13.1 Booleans 13.2 Logical Operators 13.3 Comparison Operators 13.4 If Statements 13.5 For Loops in JavaScript 13.6 General For Loops 13.7 For Loop Practice 13.8 Random Numbers 13.9 While Loops 13.10 Loop and a Half 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles 13.1 Booleans 13.2 Logical Operators 13.3 Comparison Operators 13.4 If Statements 13.5 For Loops in JavaScript 13.6 General For Loops 13.7 For Loop Practice 13.8 Random Numbers 13.9 While Loops 13.10 Loop and a Half 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 14.1 Booleans 14.2 Logical Operators 14.3 Comparison Operators 14.4 If Statements 14.5 For Loops in JavaScript 14.6 General For Loops 14.7 For Loop Practice 14.8 Random Numbers 14.9 While Loops 14.10 Loop and a Half 17.1 Functions and Parameters 1 17.2 Functions and Parameters 2 17.3 Functions and Parameters 3 17.6 Timers 17.7 Random Circles 17.8 Random Ghosts 17.9 Bouncing Ball 17.10 Mouse Events: Mouse Clicked 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.3 Key Events 16.4 Crazy Ball Game 17.11 Intro to Lists/Arrays 19.1 Indexing Into an Array 17.12 Adding/Removing From an Array 17.13 Array Length and Looping Through Arrays 17.14 Iterating Over an Array 19.2 Finding an Element in a List 19.3 Removing an Element From an Array 20.1 Intro to Objects/Maps 20.2 Basics of Objects 20.3 Iterating Over an Object 20.4 When Do I Use an Object? 20.5 Intro to Sets 20.6 Intro to Grids 20.7 Looping Over a Grid 20.8 Grid Example: Get a Row 20.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 18.1 Functions and Parameters Practice 21.9 Hash Function Development 21.10 Project: Classic Cipher Newscast 14.1 Booleans 14.2 Logical Operators 14.3 Comparison Operators 14.4 If Statements 14.5 For Loops in JavaScript 14.6 General For Loops 14.7 For Loop Practice 14.8 Random Numbers 14.9 While Loops 14.10 Loop and a Half 17.1 Functions and Parameters 1 17.2 Functions and Parameters 2 17.3 Functions and Parameters 3 17.6 Timers 17.7 Random Circles 17.8 Random Ghosts 17.9 Bouncing Ball 17.10 Mouse Events: Mouse Clicked 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.3 Key Events 16.4 Crazy Ball Game 17.11 Intro to Lists/Arrays 19.1 Indexing Into an Array 17.12 Adding/Removing From an Array 17.13 Array Length and Looping Through Arrays 17.14 Iterating Over an Array 19.2 Finding an Element in a List 19.3 Removing an Element From an Array 20.1 Intro to Objects/Maps 20.2 Basics of Objects 20.3 Iterating Over an Object 20.4 When Do I Use an Object? 20.5 Intro to Sets 20.6 Intro to Grids 20.7 Looping Over a Grid 20.8 Grid Example: Get a Row 20.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 18.1 Functions and Parameters Practice 21.9 Hash Function Development 21.10 Project: Classic Cipher Newscast
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 3.3 Comments & Pseudocode 6.16 Karel Challenges 7.1 Extra Karel Puzzles 6.16 Karel Challenges 7.1 Extra Karel Puzzles
 Standard 4.2 Variables 4.2 Variables 4.3 User Input 4.3 User Input 4.4 Basic Math in JavaScript 4.4 Basic Math in JavaScript 4.5 Using Graphics in JavaScript 4.5 Using Graphics in JavaScript 6.1 Booleans 6.1 Booleans 6.2 Logical Operators 6.2 Logical Operators 6.3 Comparison Operators 6.3 Comparison Operators 6.4 If Statements 6.4 If Statements 6.5 For Loops in JavaScript 6.5 For Loops in JavaScript 6.6 General For Loops 6.6 General For Loops 6.7 For Loop Practice 6.7 For Loop Practice 6.8 Random Numbers 6.8 Random Numbers 6.9 While Loops 6.9 While Loops 6.10 Loop and a Half 6.10 Loop and a Half 8.1 Functions and Parameters 1 8.1 Functions and Parameters 1 8.2 Functions and Parameters 2 8.2 Functions and Parameters 2 8.3 Functions and Parameters 3 8.3 Functions and Parameters 3 9.1 Functions Challenges 9.1 Functions Challenges 10.1 Timers 10.1 Timers 10.2 Random Circles 10.2 Random Circles 10.3 Random Ghosts 10.3 Random Ghosts 10.4 Bouncing Ball 10.4 Bouncing Ball 10.5 Mouse Events: Mouse Clicked 10.5 Mouse Events: Mouse Clicked 10.6 Mouse Events: Mouse Moved 10.6 Mouse Events: Mouse Moved 10.7 Drawing Lines 10.7 Drawing Lines 10.8 Key Events 10.8 Key Events 10.9 Crazy Ball Game 10.9 Crazy Ball Game 12.1 Breakout 12.1 Breakout 26.1 Intro to Lists/Arrays 26.2 Indexing Into an Array 26.3 Adding/Removing From an Array 26.4 Array Length and Looping Through Arrays 26.5 Iterating Over an Array 26.6 Finding an Element in a List 26.7 Removing an Element From an Array 26.8 Intro to Objects/Maps 26.9 Basics of Objects 26.10 Iterating Over an Object 26.11 When Do I Use an Object? 26.12 Intro to Sets 26.13 Intro to Grids 26.14 Looping Over a Grid 26.15 Grid Example: Get a Row 26.16 Data Structures Challenges 28.1 Game Design: Helicopter 16.1 Extra Karel Practice 17.1 Extra Karel Puzzles 27.1 Tic Tac Toe 25.1 Visualizing Music 22.1 Evolution Simulation 21.1 Conway's Game of Life 21.2 Connect Four 20.1 Fun Snake 20.2 Fun Graphics Challenges 19.1 Prime Numbers 18.1 Functions and Parameters Practice 26.1 Intro to Lists/Arrays 26.2 Indexing Into an Array 26.3 Adding/Removing From an Array 26.4 Array Length and Looping Through Arrays 26.5 Iterating Over an Array 26.6 Finding an Element in a List 26.7 Removing an Element From an Array 26.8 Intro to Objects/Maps 26.9 Basics of Objects 26.10 Iterating Over an Object 26.11 When Do I Use an Object? 26.12 Intro to Sets 26.13 Intro to Grids 26.14 Looping Over a Grid 26.15 Grid Example: Get a Row 26.16 Data Structures Challenges 28.1 Game Design: Helicopter 16.1 Extra Karel Practice 17.1 Extra Karel Puzzles 27.1 Tic Tac Toe 25.1 Visualizing Music 22.1 Evolution Simulation 21.1 Conway's Game of Life 21.2 Connect Four 20.1 Fun Snake 20.2 Fun Graphics Challenges 19.1 Prime Numbers 18.1 Functions and Parameters Practice
 Standard 3.1 Project: Classic Cipher Newscast 3.1 Project: Classic Cipher Newscast 4.5 Hash Function Development 4.5 Hash Function Development 23.6 Organizational Techniques
 Standard 1.6 Comments 3.3 Comments & Pseudocode 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.16 Karel Challenges 12.1 Extra Karel Puzzles
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.8 Random Numbers 7.8 Random Numbers 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 3.3 Comments & Pseudocode 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.16 Karel Challenges 12.1 Extra Karel Puzzles
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 3.3 Comments & Pseudocode 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.16 Karel Challenges 12.1 Extra Karel Puzzles
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 3.3 Comments & Pseudocode 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.16 Karel Challenges 12.1 Extra Karel Puzzles
 Standard 2.2 Variables 2.2 Variables 2.3 User Input 2.3 User Input 2.4 Basic Math in JavaScript 2.4 Basic Math in JavaScript 2.5 Using Graphics in JavaScript 2.5 Using Graphics in JavaScript
 Standard 2.2 Variables 2.2 Variables 2.3 User Input 2.3 User Input 2.4 Basic Math in JavaScript 2.4 Basic Math in JavaScript 2.5 Using Graphics in JavaScript 2.5 Using Graphics in JavaScript
 Standard 5.2 Variables 5.2 Variables 5.3 User Input 5.3 User Input 5.4 Basic Math in JavaScript 5.4 Basic Math in JavaScript 5.5 Using Graphics in JavaScript 5.5 Using Graphics in JavaScript 7.1 Booleans 7.1 Booleans 7.2 Logical Operators 7.2 Logical Operators 7.3 Comparison Operators 7.3 Comparison Operators 7.4 If Statements 7.4 If Statements 7.5 For Loops in JavaScript 7.5 For Loops in JavaScript 7.6 General For Loops 7.6 General For Loops 7.7 For Loop Practice 7.7 For Loop Practice 7.9 While Loops 7.9 While Loops 7.10 Loop and a Half 7.10 Loop and a Half 9.1 Functions and Parameters 1 9.1 Functions and Parameters 1 9.2 Functions and Parameters 2 9.2 Functions and Parameters 2 9.3 Functions and Parameters 3 9.3 Functions and Parameters 3 9.6 Timers 9.6 Timers 9.7 Random Circles 9.7 Random Circles 9.8 Random Ghosts 9.8 Random Ghosts 9.9 Bouncing Ball 9.9 Bouncing Ball 9.10 Mouse Events: Mouse Clicked 9.10 Mouse Events: Mouse Clicked 9.11 Intro to Lists/Arrays 9.11 Intro to Lists/Arrays 9.12 Adding/Removing From an Array 9.12 Adding/Removing From an Array 9.13 Array Length and Looping Through Arrays 9.13 Array Length and Looping Through Arrays 9.14 Iterating Over an Array 9.14 Iterating Over an Array 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.3 Key Events 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.6 Intro to Grids 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 3.3 Comments & Pseudocode 11.16 Karel Challenges 12.1 Extra Karel Puzzles 11.16 Karel Challenges 12.1 Extra Karel Puzzles
 Standard 3.6 Comments 8.16 Karel Challenges 8.16 Karel Challenges 11.9 Hash Function Development 11.9 Hash Function Development 12.1 Project: Classic Cipher Newscast 12.1 Project: Classic Cipher Newscast