# NH 3A: 3A-AP-23

## CodeHS Lessons

Document design decisions using text, graphics, presentations, and/or demonstrations in the development of complex programs.

 Standard 1.7 Commenting Your Code 1.8 Super Karel 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.13 How to Indent Your Code 1.14 Control Structures Example 1.15 More Karel Examples and Testing 2.1 Challenge Problems 3.1 Hello World 3.2 Variables 3.3 User Input 3.4 Basic Math 3.6 Random Numbers 6.1 Booleans 6.2 If/Else Statements 6.3 Logical Operators 6.4 Comparison Operators 6.6 While Loops 6.7 The Break Statement 6.9 For Loops 9.1 Functions Challenges 10.1 Timers 10.2 Stopping Timers 10.3 Collisions 10.4 Mouse Click Events 10.5 More Mouse Events 10.6 Key Events 12.1 Breakout 21.1 Intro to Objects 20.3 Iterating Through an Array 20.2 Adding & Removing from an Array 20.1 Intro to Arrays 19.4 Crazy Ball Game 19.3 Animation Practice 21.4 Iterating Through an Object 27.1 Game Design: Helicopter 26.1 Tic Tac Toe 22.4 Grid Example: Get a Row 22.3 Looping Over a Grid 22.2 Intro to Grids 22.1 Intro to Sets 24.1 Visualizing Music 25.2 Connect Four 25.1 Conway's Game of Life 19.2 Fun Graphics Challenges 19.1 Snake Game 18.1 Prime Numbers 17.1 Functions and Parameters Practice 16.2 Extra Karel Puzzles 16.1 Extra Karel Practice
 Standard 2.6 Commenting Your Code 3.6 Comments 3.6 Comments 9.2 Functions and Parameters 9.2 Functions and Parameters 9.4 Functions and Return Values 9.4 Functions and Return Values 10.1 Indexing 10.1 Indexing 10.2 Slicing 10.2 Slicing 10.3 Immutability 10.3 Immutability 10.4 Strings and For Loops 10.4 Strings and For Loops 10.5 The in Keyword 10.5 The in Keyword 10.6 String Methods 10.6 String Methods 12.1 Tuples 12.1 Tuples 12.2 Lists 12.2 Lists 12.3 For Loops and Lists 12.3 For Loops and Lists 12.4 List Methods 12.4 List Methods 13.1 2d Lists 13.2 List Comprehensions 13.3 Packing and Unpacking 13.4 Dictionaries 21.9 Modules 21.5 Class Variables vs. Instance Variables 21.6 Inheritance 21.7 Hidden Attributes 21.8 Namespaces 21.2 Methods 19.1 Project: Who Said It? 24.6 Comments 24.14 Parameters 21.4 Operator Overloading 21.3 Built-In Methods 21.9 Modules 21.1 Classes and Objects 21.1 Classes and Objects 21.2 Methods 21.3 Built-In Methods 21.4 Operator Overloading 21.5 Class Variables vs. Instance Variables 21.6 Inheritance 21.7 Hidden Attributes 21.8 Namespaces 19.1 Project: Who Said It?
 Standard 5.3 Documentation with Comments
 Standard 1.8 Commenting Your Code 2.1 Practice PT: Pair-Programming Paint! 6.1 Project: Tell a Story 9.1 Practice PT: Steganography 10.1 Practice PT: Create an Image Filter! 16.1 Create Performance Task
 Standard 1.7 Commenting Your Code 2.1 Practice PT: Pair-Programming Paint! 6.1 Practice PT: Tell a Story 9.1 Practice PT: Steganography 10.1 Practice PT: Create an Image Filter! 16.1 Create Performance Task 33.5 The in Keyword 33.4 Strings and For Loops 33.6 String Methods 27.1 Classes and Objects 27.2 Methods 27.3 Built-In Methods 27.4 Operator Overloading 27.5 Class Variables vs. Instance Variables 27.6 Inheritance 27.7 Hidden Attributes 27.8 Namespaces 27.9 Modules 29.1 Project: Who Said It? 27.5 Class Variables vs. Instance Variables 33.2 Slicing 33.3 Immutability 33.4 Strings and For Loops 33.5 The in Keyword 33.6 String Methods 27.1 Classes and Objects 27.2 Methods 27.3 Built-In Methods 27.4 Operator Overloading 33.1 Indexing 27.6 Inheritance 27.7 Hidden Attributes 27.8 Namespaces 27.9 Modules 29.1 Project: Who Said It? 33.1 Indexing 33.2 Slicing 33.3 Immutability
 Standard 1.8 Commenting Your Code 2.1 Practice PT: Pair-Programming Paint! 6.1 Project: Tell a Story 12.1 Practice PT: Create an Image Filter! 19.1 Create Performance Task 31.1 Practice PT: Steganography
 Standard 4.1 Homepage: Your First Website 7.1 What is Bootstrap? 7.2 Getting Started with Bootstrap 7.3 The Bootstrap Grid System 7.4 Bootstrap Components 7.6 Navigation Bars 7.7 Drop Down Menus 7.8 Using Bootstrap Examples 7.9 Bootstrap Challenges 8.1 Bootstrap Project 10.1 Final Web Design Project 13.1 Design Research Project
 Standard 7.3 Creating Your Site 7.4 Providing Feedback 9.22 Array Length and Looping Through Arrays 9.17 Functions and Return Values 2 9.22 Array Length and Looping Through Arrays 9.11 Random Numbers 9.11 Random Numbers 9.12 While Loops 9.12 While Loops 9.13 Loop and a Half 9.13 Loop and a Half 9.14 Functions and Parameters 1 9.14 Functions and Parameters 1 9.16 Functions and Return Values 1 9.16 Functions and Return Values 1 9.18 Local Variables and Scope 9.18 Local Variables and Scope 9.9 For Loops in JavaScript 9.9 For Loops in JavaScript 9.15 Functions and Parameters 2 9.15 Functions and Parameters 2 9.10 For Loop Practice 9.10 For Loop Practice 9.17 Functions and Return Values 2 9.4 Basic Math in JavaScript 9.1 Hello World 9.1 Hello World 9.2 Variables 9.2 Variables 9.19 Intro to Lists/Arrays 9.19 Intro to Lists/Arrays 9.20 Indexing Into an Array 9.20 Indexing Into an Array 9.3 User Input 9.3 User Input 9.8 If Statements 9.4 Basic Math in JavaScript 9.21 Adding/Removing From an Array 9.21 Adding/Removing From an Array 9.5 Booleans 9.5 Booleans 9.6 Logical Operators 9.6 Logical Operators 9.7 Comparison Operators 9.7 Comparison Operators 9.8 If Statements
 Standard 19.15 Your First Website 22.10 Loop and a Half 22.9 While Loops 22.8 Random Numbers 22.7 For Loop Practice 22.6 General For Loops 22.5 For Loops in JavaScript 22.4 If Statements 22.3 Comparison Operators 22.2 Logical Operators 22.1 Booleans 21.1 Challenge Problems 19.15 Your First Website 22.10 Loop and a Half 22.9 While Loops 22.8 Random Numbers 22.7 For Loop Practice 22.6 General For Loops 22.5 For Loops in JavaScript 22.4 If Statements 22.3 Comparison Operators 22.2 Logical Operators 22.1 Booleans 21.1 Challenge Problems
 Standard 14.15 Your First Website 14.15 Your First Website
 Standard 1.7 Commenting Your Code 1.8 Super Karel 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.13 How to Indent Your Code 1.14 Control Structures Example 1.15 More Karel Examples and Testing 1.16 Challenge Problems 2.1 Hello World 2.2 Variables 2.3 User Input 2.4 Basic Math 2.6 Random Numbers 5.1 Booleans 5.2 If/Else Statements 5.3 Logical Operators 5.4 Comparison Operators 5.6 While Loops 5.7 The Break Statement 5.9 For Loops 8.1 Functions Challenges 9.1 Timers 9.2 Stopping Timers 9.3 Collisions 9.4 Mouse Click Events 9.5 More Mouse Events 9.6 Key Events 11.1 Breakout 12.1 Snake Game 13.1 Intro to Arrays 13.2 Adding & Removing from an Array 13.3 Iterating Through an Array 14.1 Intro to Objects 14.4 Iterating Through an Object 15.1 Tic Tac Toe 16.1 Game Design: Helicopter 22.2 Intro to Grids 22.3 Looping Over a Grid 22.4 Grid Example: Get a Row 22.1 Intro to Sets 29.1 Visualizing Music 20.1 Connect Four 27.1 Conway's Game of Life 26.2 Animation Practice 26.3 Crazy Ball Game 26.1 Fun Graphics Challenges 25.1 Prime Numbers 24.1 Functions and Parameters Practice 23.2 Extra Karel Puzzles 23.1 Extra Karel Practice
 Standard 1.7 Commenting Your Code 1.8 Super Karel 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.13 How to Indent Your Code 1.14 Control Structures Example 1.15 More Karel Examples and Testing 2.1 Challenge Problems 3.1 Hello World 3.2 Variables 3.3 User Input 3.4 Basic Math 3.6 Random Numbers 6.1 Booleans 6.2 If/Else Statements 6.3 Logical Operators 6.4 Comparison Operators 6.6 While Loops 6.7 The Break Statement 6.9 For Loops 9.1 Functions Challenges 10.1 Timers 10.2 Stopping Timers 10.3 Collisions 10.4 Mouse Click Events 10.5 More Mouse Events 10.6 Key Events 12.1 Breakout 13.1 Intro to Arrays 13.2 Adding & Removing from an Array 13.3 Iterating Through an Array 14.1 Intro to Objects 14.4 Iterating Through an Object 15.1 Tic Tac Toe 16.1 Game Design: Helicopter 27.1 Conway's Game of Life 21.1 Extra Karel Practice 21.2 Extra Karel Puzzles 22.1 Functions and Parameters Practice 23.1 Prime Numbers 24.1 Snake Game 24.4 Crazy Ball Game 24.3 Animation Practice 24.2 Fun Graphics Challenges 20.1 Intro to Sets 27.2 Connect Four 26.1 Visualizing Music 20.4 Grid Example: Get a Row 20.3 Looping Over a Grid 20.2 Intro to Grids
 Standard 1.7 Commenting Your Code 1.8 Super Karel 1.9 For Loops 1.10 If Statements and Conditionals 1.11 If/Else Statements 1.12 While Loops 1.13 How to Indent Your Code 1.14 Control Structures Example 1.15 More Karel Examples and Testing 2.1 Challenge Problems 3.1 Hello World 3.2 Variables 3.3 User Input 3.4 Basic Math 3.6 Random Numbers 6.1 Booleans 6.2 If/Else Statements 6.3 Logical Operators 6.4 Comparison Operators 6.6 While Loops 6.7 The Break Statement 6.9 For Loops 9.1 Functions Challenges 20.3 Iterating Through an Array 20.2 Adding & Removing from an Array 20.1 Intro to Arrays 17.4 Crazy Ball Game 17.3 Animation Practice 21.1 Intro to Objects 21.4 Iterating Through an Object 25.1 Game Design: Helicopter 24.1 Tic Tac Toe 22.4 Grid Example: Get a Row 22.3 Looping Over a Grid 22.2 Intro to Grids 14.2 Extra Karel Puzzles 11.1 Timers 11.2 Stopping Timers 11.3 Collisions 11.4 Mouse Click Events 11.5 More Mouse Events 11.6 Key Events 13.1 Breakout 14.1 Extra Karel Practice 22.1 Intro to Sets 15.1 Functions and Parameters Practice 16.1 Prime Numbers 17.1 Snake Game 17.2 Fun Graphics Challenges 23.1 Conway's Game of Life 23.2 Connect Four 18.1 Visualizing Music
 Standard 3.1 Comments 5.6 Parameters
 Standard 3.1 Comments 5.6 Parameters
 Standard 4.3 Booleans 4.4 If/Else Statements
 Standard 3.1 Homepage: Your First Website
 Standard 3.1 Commenting Your Code 3.2 Super Karel 3.3 For Loops 4.1 If Statements and Conditionals 4.2 If/Else Statements 5.1 While Loops 6.1 How to Indent Your Code 6.2 Control Structures Example 6.3 More Karel Examples and Testing 7.1 Challenge Problems 10.1 Extra Karel Practice 10.2 Extra Karel Puzzles 12.6 Random Numbers 12.1 Hello World 12.2 Variables 12.3 User Input 12.4 Basic Math
 Standard 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 5.1 Project: Your First Website 5.1 Project: Your First Website 11.1 Extra Karel Practice 11.1 Extra Karel Practice 12.1 Extra Karel Puzzles 12.1 Extra Karel Puzzles 13.6 Comments 13.6 Comments 13.13 Parameters 13.13 Parameters
 Standard 1.14 Project: Your First Website 1.14 Project: Your First Website 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Super Karel 2.8 Super Karel 2.9 For Loops 2.9 For Loops 2.10 If Statements 2.10 If Statements 2.11 If/Else Statements 2.11 If/Else Statements 2.12 While Loops in Karel 2.12 While Loops in Karel 2.13 Control Structures Example 2.13 Control Structures Example 2.14 More Karel Examples and Testing 2.14 More Karel Examples and Testing 2.15 How to Indent Your Code 2.15 How to Indent Your Code 3.6 Comments 3.6 Comments 3.13 Parameters 3.13 Parameters 4.1 Extra Karel Practice 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles 5.1 Extra Karel Puzzles
 Standard 1.14 Project: Your First Website 1.14 Project: Your First Website 2.7 Commenting Your Code 2.7 Commenting Your Code 2.8 Super Karel 2.8 Super Karel 2.9 For Loops 2.9 For Loops 2.10 If Statements 2.10 If Statements 2.11 If/Else Statements 2.11 If/Else Statements 2.12 While Loops in Karel 2.12 While Loops in Karel 2.13 Control Structures Example 2.13 Control Structures Example 2.14 More Karel Examples and Testing 2.14 More Karel Examples and Testing 2.15 How to Indent Your Code 2.15 How to Indent Your Code 3.1 Hello World 3.1 Hello World 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 4.1 Extra Karel Practice 5.1 Extra Karel Puzzles 5.1 Extra Karel Puzzles 6.6 Comments 6.6 Comments 6.13 Parameters 6.13 Parameters
 Standard 7.15 Functions and Parameters 7.15 Functions and Parameters 7.17 Functions and Return Values 7.17 Functions and Return Values
 Standard 1.14 Project: Your First Website 1.14 Project: Your First Website
 Standard 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code
 Standard 7.1 Writing BlackJack 7.1 Writing BlackJack 8.1 Mad Libs 8.1 Mad Libs
 Standard 1.6 Comments 1.6 Comments 1.13 Parameters 1.13 Parameters 2.6 Comments 2.6 Comments 6.2 Functions and Parameters 6.2 Functions and Parameters 6.4 Functions and Return Values 6.4 Functions and Return Values 8.1 Indexing 8.1 Indexing 8.2 Slicing 8.2 Slicing 8.3 Immutability 8.3 Immutability 8.4 Strings and For Loops 8.4 Strings and For Loops 8.5 The in Keyword 8.5 The in Keyword 8.6 String Methods 8.6 String Methods 9.1 Tuples 9.1 Tuples 9.2 Lists 9.2 Lists 9.3 For Loops and Lists 9.3 For Loops and Lists 9.4 List Methods 9.4 List Methods 10.1 2d Lists 10.1 2d Lists 10.2 List Comprehensions 10.2 List Comprehensions 10.3 Packing and Unpacking 10.3 Packing and Unpacking 10.4 Dictionaries 10.4 Dictionaries 10.5 Equivalence vs. Identity 10.5 Equivalence vs. Identity 12.4 Final Project 14.9 Modules 14.9 Modules 14.8 Namespaces 14.8 Namespaces 14.7 Hidden Attributes 14.7 Hidden Attributes 14.6 Inheritance 14.6 Inheritance 14.5 Class Variables vs. Instance Variables 14.5 Class Variables vs. Instance Variables 14.4 Operator Overloading 14.4 Operator Overloading 14.3 Built-In Methods 14.3 Built-In Methods 14.2 Methods 14.2 Methods 14.1 Classes and Objects 14.1 Classes and Objects
 Standard 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 2.1 Challenge Problems 2.1 Challenge Problems 3.1 Hello World 3.1 Hello World 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 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 8.4 Functions and Return Values 1 8.4 Functions and Return Values 1 8.5 Functions and Return Values 2 8.5 Functions and Return Values 2 8.6 Local Variables and Scope 8.6 Local Variables and Scope 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 14.4 Final Project 22.1 Game Design: Helicopter 18.1 Extra Karel Practice 19.1 Extra Karel Puzzles 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 21.1 Tic Tac Toe 20.1 Functions and Parameters Practice
 Standard 3.1 Comments 3.1 Comments 4.3 Parameters 4.3 Parameters 9.4 Final Project
 Standard 10.4 Final Project
 Standard 3.4 Final Project
 Standard 3.4 Final Project
 Standard 2.7 Commenting Your Code 2.7 Commenting Your Code 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 5.1 Hello World 5.1 Hello World 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 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 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 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.2 Drawing Lines 15.3 Key Events 15.3 Key Events 15.4 Crazy Ball Game 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.2 Basics of Objects 17.3 Iterating Over an Object 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.5 Intro to Sets 17.6 Intro to Grids 17.6 Intro to Grids 17.7 Looping Over a Grid 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 17.9 Data Structures Challenges 12.1 Extra Karel Practice 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 1.6 Comments 1.13 Parameters 1.13 Parameters 11.13 Control Structures Example 15.4 Final Project 12.1 Extra Karel Puzzles 12.1 Extra Karel Puzzles 11.15 How to Indent Your Code 11.15 How to Indent Your Code 11.14 More Karel Examples and Testing 11.14 More Karel Examples and Testing 11.13 Control Structures Example 11.7 Commenting Your Code 11.12 While Loops in Karel 11.12 While Loops in Karel 11.11 If/Else Statements 11.11 If/Else Statements 11.10 If Statements 11.10 If Statements 11.9 For Loops 11.9 For Loops 11.8 Super Karel 11.8 Super Karel 11.7 Commenting Your Code
 Standard 7.1 Pokemon Simulation 7.1 Pokemon Simulation 9.1 Java Outside of CodeHS 9.1 Java Outside of CodeHS 8.1 Mad Libs 8.1 Mad Libs
 Standard 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 While Loops in Karel 1.10 While Loops in Karel 1.11 If Statements 1.11 If Statements 1.12 If/Else Statements 1.12 If/Else Statements 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 1.16 Karel Challenges 1.16 Karel Challenges 2.8 Comparison Operators 2.8 Comparison Operators 2.9 For Loops 2.9 For Loops 2.10 While Loops 2.10 While Loops 2.11 If Statements 2.11 If Statements 2.12 Loop-and-a-Half 2.12 Loop-and-a-Half 2.13 Short-Circuit Evaluation 2.13 Short-Circuit Evaluation 2.14 De Morgan's Laws 2.14 De Morgan's Laws 2.15 Strings 2.15 Strings 3.1 Java Methods 3.1 Java Methods 3.2 Methods and Parameters 3.2 Methods and Parameters 3.3 Methods and Return Values 3.3 Methods and Return Values 3.4 Javadocs and More Methods 3.4 Javadocs and More Methods 3.5 Strings Methods 3.5 Strings Methods 3.6 Strings and Characters 3.6 Strings and Characters 3.7 Exceptions 3.7 Exceptions 3.8 String Processing 3.8 String Processing 4.1 Introduction to Classes and Objects 4.1 Introduction to Classes and Objects 4.2 Classes vs. Objects 4.2 Classes vs. Objects 4.3 Using a Class as a Client 4.3 Using a Class as a Client 4.4 Writing Classes 4.4 Writing Classes 4.5 Writing Classes and Instance Methods 4.5 Writing Classes and Instance Methods 4.6 Getter and Setter Methods 4.6 Getter and Setter Methods 4.7 Class Methods and Class Variables 4.7 Class Methods and Class Variables 4.9 Method Overloading 4.9 Method Overloading 4.10 Local Variables and Scope 4.10 Local Variables and Scope 4.11 Key Terms for Classes 4.11 Key Terms for Classes 4.12 Objects vs Primitives 4.12 Objects vs Primitives 4.13 Inheritance 4.13 Inheritance 4.14 Class Design and Abstract Classes 4.14 Class Design and Abstract Classes 4.15 Polymorphism 4.15 Polymorphism 4.17 Interfaces 4.17 Interfaces 5.1 What are Data Structures? 5.1 What are Data Structures? 5.2 Introduction to Arrays 5.2 Introduction to Arrays 5.3 Using Arrays 5.3 Using Arrays 5.5 ArrayList Methods 5.5 ArrayList Methods 5.6 Arrays vs ArrayLists 5.6 Arrays vs ArrayLists 5.8 The List Interface 5.8 The List Interface 5.9 2D Arrays (Matrices or Grids) 5.9 2D Arrays (Matrices or Grids) 5.11 HashMaps 5.11 HashMaps 5.12 Binary 5.12 Binary 6.1 Writing BlackJack 6.1 Writing BlackJack 8.1 What is an Algorithm? 8.1 What is an Algorithm? 8.2 Linear Search 8.2 Linear Search 8.3 Binary Search 8.3 Binary Search 8.4 Selection Sort 8.4 Selection Sort 8.5 Insertion Sort 8.5 Insertion Sort 8.6 Advanced: Recursion 8.6 Advanced: Recursion 8.7 Mergesort 8.7 Mergesort 10.1 Final Project 10.1 Final Project 11.1 Pokemon Simulation 13.1 Java Outside of CodeHS 12.1 Mad Libs 11.1 Pokemon Simulation 13.1 Java Outside of CodeHS 12.1 Mad Libs
 Standard 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 2.1 Challenge Problems 2.1 Challenge Problems 3.1 Hello World 3.1 Hello World 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 7.4 Functions and Return Values 1 7.4 Functions and Return Values 1 7.5 Functions and Return Values 2 7.5 Functions and Return Values 2 7.6 Local Variables and Scope 7.6 Local Variables and Scope 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 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 2.1 Challenge Problems 2.1 Challenge Problems 3.1 Hello World 3.1 Hello World 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 7.4 Functions and Return Values 1 7.4 Functions and Return Values 1 7.5 Functions and Return Values 2 7.5 Functions and Return Values 2 7.6 Local Variables and Scope 7.6 Local Variables and Scope 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 12.1 Intro to Lists/Arrays 12.1 Intro to Lists/Arrays 12.2 Indexing Into an Array 12.2 Indexing Into an Array 12.3 Adding/Removing From an Array 12.3 Adding/Removing From an Array 12.4 Array Length and Looping Through Arrays 12.4 Array Length and Looping Through Arrays 12.5 Iterating Over an Array 12.5 Iterating Over an Array 12.6 Finding an Element in a List 12.6 Finding an Element in a List 12.7 Removing an Element From an Array 12.7 Removing an Element From an Array 12.8 Intro to Objects/Maps 12.8 Intro to Objects/Maps 12.9 Basics of Objects 12.9 Basics of Objects 12.10 Iterating Over an Object 12.10 Iterating Over an Object 12.11 When Do I Use an Object? 12.11 When Do I Use an Object? 12.12 Intro to Sets 12.12 Intro to Sets 12.13 Intro to Grids 12.13 Intro to Grids 12.14 Looping Over a Grid 12.14 Looping Over a Grid 12.15 Grid Example: Get a Row 12.15 Grid Example: Get a Row 12.16 Data Structures Challenges 12.16 Data Structures Challenges 13.1 Tic Tac Toe 13.1 Tic Tac Toe 14.1 Game Design: Helicopter 14.1 Game Design: Helicopter 18.1 Extra Karel Practice 19.1 Extra Karel Puzzles 28.1 Visualizing Music 24.1 Evolution Simulation 23.1 Conway's Game of Life 23.2 Connect Four 22.1 Fun Snake 22.2 Fun Graphics Challenges 21.1 Prime Numbers 20.1 Functions and Parameters Practice 18.1 Extra Karel Practice 19.1 Extra Karel Puzzles 28.1 Visualizing Music 24.1 Evolution Simulation 23.1 Conway's Game of Life 23.2 Connect Four 22.1 Fun Snake 22.2 Fun Graphics Challenges 21.1 Prime Numbers 20.1 Functions and Parameters Practice
 Standard 1.7 Commenting Your Code 1.7 Commenting Your Code 1.8 Super Karel 1.8 Super Karel 1.9 For Loops 1.9 For Loops 1.10 If Statements 1.10 If Statements 1.11 If/Else Statements 1.11 If/Else Statements 1.12 While Loops in Karel 1.12 While Loops in Karel 1.13 Control Structures Example 1.13 Control Structures Example 1.14 More Karel Examples and Testing 1.14 More Karel Examples and Testing 1.15 How to Indent Your Code 1.15 How to Indent Your Code 2.1 Challenge Problems 2.1 Challenge Problems 3.1 Hello World 3.1 Hello World 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 7.4 Functions and Return Values 1 7.4 Functions and Return Values 1 7.5 Functions and Return Values 2 7.5 Functions and Return Values 2 7.6 Local Variables and Scope 7.6 Local Variables and Scope 9.1 Functions Challenges 9.1 Functions Challenges 9.1 Functions Challenges 9.1 Functions Challenges 21.1 Intro to Lists/Arrays 21.2 Indexing Into an Array 21.3 Adding/Removing From an Array 21.4 Array Length and Looping Through Arrays 21.5 Iterating Over an Array 21.6 Finding an Element in a List 21.7 Removing an Element From an Array 21.8 Intro to Objects/Maps 21.9 Basics of Objects 21.10 Iterating Over an Object 21.11 When Do I Use an Object? 21.12 Intro to Sets 21.13 Intro to Grids 21.14 Looping Over a Grid 21.15 Grid Example: Get a Row 21.16 Data Structures Challenges 23.1 Game Design: Helicopter 10.1 Extra Karel Practice 11.1 Extra Karel Puzzles 22.1 Tic Tac Toe 20.1 Visualizing Music 16.1 Evolution Simulation 15.1 Conway's Game of Life 15.2 Connect Four 14.1 Fun Snake 14.2 Fun Graphics Challenges 13.1 Prime Numbers 12.1 Functions and Parameters Practice 21.1 Intro to Lists/Arrays 21.2 Indexing Into an Array 21.3 Adding/Removing From an Array 21.4 Array Length and Looping Through Arrays 21.5 Iterating Over an Array 21.6 Finding an Element in a List 21.7 Removing an Element From an Array 21.8 Intro to Objects/Maps 21.9 Basics of Objects 21.10 Iterating Over an Object 21.11 When Do I Use an Object? 21.12 Intro to Sets 21.13 Intro to Grids 21.14 Looping Over a Grid 21.15 Grid Example: Get a Row 21.16 Data Structures Challenges 23.1 Game Design: Helicopter 10.1 Extra Karel Practice 11.1 Extra Karel Puzzles 22.1 Tic Tac Toe 20.1 Visualizing Music 16.1 Evolution Simulation 15.1 Conway's Game of Life 15.2 Connect Four 14.1 Fun Snake 14.2 Fun Graphics Challenges 13.1 Prime Numbers 12.1 Functions and Parameters Practice
 Standard 3.1 Comments 3.1 Comments 4.3 Parameters 4.3 Parameters 10.7 Commenting Your Code
 Standard 2.6 Comments 2.6 Comments 2.13 Parameters 2.13 Parameters 3.6 Comments 3.6 Comments 6.2 Functions and Parameters 6.2 Functions and Parameters 6.4 Functions and Return Values 6.4 Functions and Return Values 7.1 Indexing 7.1 Indexing 7.2 Slicing 7.2 Slicing 7.3 Immutability 7.3 Immutability 7.4 Strings and For Loops 7.4 Strings and For Loops 7.5 The in Keyword 7.5 The in Keyword 7.6 String Methods 7.6 String Methods 8.1 Tuples 8.1 Tuples 8.2 Lists 8.2 Lists 8.3 For Loops and Lists 8.3 For Loops and Lists 8.4 List Methods 8.4 List Methods 9.1 2d Lists 9.1 2d Lists 9.2 List Comprehensions 9.2 List Comprehensions 9.3 Packing and Unpacking 9.3 Packing and Unpacking 9.4 Dictionaries 9.4 Dictionaries 9.5 Equivalence vs. Identity 9.5 Equivalence vs. Identity 12.2 Methods 23.7 Commenting Your Code 12.3 Built-In Methods 12.4 Operator Overloading 12.5 Class Variables vs. Instance Variables 12.6 Inheritance 12.7 Hidden Attributes 12.8 Namespaces 12.9 Modules 16.1 Project: Who Said It? 12.9 Modules 12.1 Classes and Objects 12.1 Classes and Objects 12.2 Methods 12.3 Built-In Methods 12.4 Operator Overloading 12.5 Class Variables vs. Instance Variables 12.6 Inheritance 12.7 Hidden Attributes 12.8 Namespaces 16.1 Project: Who Said It?
 Standard 5.2 Homepage: Your First Website 5.2 Homepage: Your First Website 6.1 Hello World 6.2 Variables 6.3 User Input 6.4 Basic Math in JavaScript 6.5 Booleans 6.6 Logical Operators 6.7 Comparison Operators 6.8 If Statements 6.9 For Loops in JavaScript 6.10 Functions and Parameters 1 6.11 Functions and Parameters 2 6.12 Functions and Return Values 1 6.13 Intro to Lists/Arrays 6.14 Indexing Into an Array 6.15 Adding/Removing From an Array 6.16 Array Length and Looping Through Arrays 13.1 Providing Feedback
 Standard 7.3 Documentation with Comments 8.1 What are Data Structures? 8.2 Introduction to Arrays 8.3 Using Arrays 8.5 ArrayList Methods 8.6 Arrays vs ArrayLists 8.8 The List Interface 8.9 2D Arrays 8.11 HashMaps 8.12 Binary 9.1 What is an Algorithm? 9.2 Linear Search 9.3 Binary Search 9.4 Selection Sort 9.5 Insertion Sort 9.7 Mergesort
 Standard 2.7 Commenting Your Code 2.7 Commenting Your Code 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 5.1 Hello World 5.1 Hello World 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 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 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 12.1 Extra Karel Practice 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 14.1 Functions and Parameters Practice 15.1 Mouse Events: Mouse Moved 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.2 Drawing Lines 15.3 Key Events 15.3 Key Events 15.4 Crazy Ball Game 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.2 Basics of Objects 17.3 Iterating Over an Object 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.5 Intro to Sets 17.6 Intro to Grids 17.6 Intro to Grids 17.7 Looping Over a Grid 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 17.9 Data Structures Challenges
 Standard 2.7 Commenting Your Code 2.7 Commenting Your Code 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 6.2 Hello World 6.2 Hello World 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 10.4 Functions and Return Values 1 10.4 Functions and Return Values 1 10.5 Functions and Return Values 2 10.5 Functions and Return Values 2 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 15.1 Extra Karel Practice 15.1 Extra Karel Practice 16.1 Extra Karel Puzzles 16.1 Extra Karel Puzzles 17.1 Functions and Parameters Practice 17.1 Functions and Parameters Practice 18.1 Mouse Events: Mouse Moved 18.1 Mouse Events: Mouse Moved 18.2 Drawing Lines 18.2 Drawing Lines 18.3 Key Events 18.3 Key Events 18.4 Crazy Ball Game 18.4 Crazy Ball Game 13.1 Indexing Into an Array 13.1 Indexing Into an Array 13.2 Finding an Element in a List 13.2 Finding an Element in a List 13.3 Removing an Element From an Array 13.3 Removing an Element From an Array 14.1 Intro to Objects/Maps 14.1 Intro to Objects/Maps 14.2 Basics of Objects 14.2 Basics of Objects 14.3 Iterating Over an Object 14.3 Iterating Over an Object 14.4 When Do I Use an Object? 14.4 When Do I Use an Object? 14.5 Intro to Sets 14.5 Intro to Sets 14.6 Intro to Grids 14.6 Intro to Grids 14.7 Looping Over a Grid 14.7 Looping Over a Grid 14.8 Grid Example: Get a Row 14.8 Grid Example: Get a Row 14.9 Data Structures Challenges 14.9 Data Structures Challenges
 Standard 2.6 Comments 2.6 Comments 2.14 Parameters 2.14 Parameters 5.6 Comments 5.6 Comments 8.2 Functions and Parameters 8.2 Functions and Parameters 8.4 Functions and Return Values 8.4 Functions and Return Values 9.1 Indexing 9.1 Indexing 9.2 Slicing 9.2 Slicing 9.3 Immutability 9.3 Immutability 9.4 Strings and For Loops 9.4 Strings and For Loops 9.5 The in Keyword 9.5 The in Keyword 9.6 String Methods 9.6 String Methods 10.1 Tuples 10.1 Tuples 10.2 Lists 10.2 Lists 10.3 For Loops and Lists 10.3 For Loops and Lists 10.4 List Methods 10.4 List Methods 11.1 2d Lists 11.1 2d Lists 11.2 List Comprehensions 11.2 List Comprehensions 11.3 Packing and Unpacking 11.3 Packing and Unpacking 11.4 Dictionaries 11.4 Dictionaries 11.5 Equivalence vs. Identity 11.5 Equivalence vs. Identity 18.1 Project: Who Said It? 18.1 Project: Who Said It?
 Standard 3.7 Commenting Your Code 3.7 Commenting Your Code 3.9 Super Karel 3.9 Super Karel 3.10 For Loops 3.10 For Loops 3.11 If Statements 3.11 If Statements 3.12 If/Else Statements 3.12 If/Else Statements 3.13 While Loops in Karel 3.13 While Loops in Karel 3.14 Control Structures Example 3.14 Control Structures Example 3.15 More Karel Examples and Testing 3.15 More Karel Examples and Testing 3.16 How to Indent Your Code 3.16 How to Indent Your Code 4.2 Challenge Problems 4.2 Challenge Problems 6.1 Hello World 6.1 Hello World 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 10.4 Functions and Return Values 1 10.4 Functions and Return Values 1 10.5 Functions and Return Values 2 10.5 Functions and Return Values 2 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 13.1 Extra Karel Practice 13.1 Extra Karel Practice 14.1 Extra Karel Puzzles 14.1 Extra Karel Puzzles 15.1 Functions and Parameters Practice 15.1 Functions and Parameters Practice 16.1 Mouse Events: Mouse Moved 16.1 Mouse Events: Mouse Moved 16.2 Drawing Lines 16.2 Drawing Lines 16.3 Key Events 16.3 Key Events 16.4 Crazy Ball Game 16.4 Crazy Ball Game 17.1 Indexing Into an Array 17.1 Indexing Into an Array 17.2 Finding an Element in a List 17.2 Finding an Element in a List 17.3 Removing an Element From an Array 17.3 Removing an Element From an Array 18.1 Intro to Objects/Maps 18.1 Intro to Objects/Maps 18.2 Basics of Objects 18.2 Basics of Objects 18.3 Iterating Over an Object 18.3 Iterating Over an Object 18.4 When Do I Use an Object? 18.4 When Do I Use an Object? 18.5 Intro to Sets 18.5 Intro to Sets 18.6 Intro to Grids 18.6 Intro to Grids 18.7 Looping Over a Grid 18.7 Looping Over a Grid 18.8 Grid Example: Get a Row 18.8 Grid Example: Get a Row 18.9 Data Structures Challenges 18.9 Data Structures Challenges
 Standard 2.7 Commenting Your Code 2.7 Commenting Your Code 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 5.1 Hello World 5.1 Hello World 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 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 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 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.2 Drawing Lines 15.3 Key Events 15.3 Key Events 15.4 Crazy Ball Game 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.2 Basics of Objects 17.3 Iterating Over an Object 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.5 Intro to Sets 17.6 Intro to Grids 17.6 Intro to Grids 17.7 Looping Over a Grid 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 17.9 Data Structures Challenges 12.1 Extra Karel Practice 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 1.6 Comments 1.13 Parameters 1.13 Parameters 11.13 Control Structures Example 15.4 Final Project 12.1 Extra Karel Puzzles 12.1 Extra Karel Puzzles 11.15 How to Indent Your Code 11.15 How to Indent Your Code 11.14 More Karel Examples and Testing 11.14 More Karel Examples and Testing 11.13 Control Structures Example 11.7 Commenting Your Code 11.12 While Loops in Karel 11.12 While Loops in Karel 11.11 If/Else Statements 11.11 If/Else Statements 11.10 If Statements 11.10 If Statements 11.9 For Loops 11.9 For Loops 11.8 Super Karel 11.8 Super Karel 11.7 Commenting Your Code
 Standard 2.7 Commenting Your Code 2.7 Commenting Your Code 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 5.1 Hello World 5.1 Hello World 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 9.4 Functions and Return Values 1 9.4 Functions and Return Values 1 9.5 Functions and Return Values 2 9.5 Functions and Return Values 2 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 15.1 Mouse Events: Mouse Moved 15.2 Drawing Lines 15.2 Drawing Lines 15.3 Key Events 15.3 Key Events 15.4 Crazy Ball Game 15.4 Crazy Ball Game 16.1 Indexing Into an Array 16.1 Indexing Into an Array 16.2 Finding an Element in a List 16.2 Finding an Element in a List 16.3 Removing an Element From an Array 16.3 Removing an Element From an Array 17.1 Intro to Objects/Maps 17.1 Intro to Objects/Maps 17.2 Basics of Objects 17.2 Basics of Objects 17.3 Iterating Over an Object 17.3 Iterating Over an Object 17.4 When Do I Use an Object? 17.4 When Do I Use an Object? 17.5 Intro to Sets 17.5 Intro to Sets 17.6 Intro to Grids 17.6 Intro to Grids 17.7 Looping Over a Grid 17.7 Looping Over a Grid 17.8 Grid Example: Get a Row 17.8 Grid Example: Get a Row 17.9 Data Structures Challenges 17.9 Data Structures Challenges 12.1 Extra Karel Practice 12.1 Extra Karel Practice 13.1 Extra Karel Puzzles 13.1 Extra Karel Puzzles 14.1 Functions and Parameters Practice 14.1 Functions and Parameters Practice
 Standard 1.6 Comments 1.6 Comments 1.13 Parameters 1.13 Parameters 11.13 Control Structures Example 15.4 Final Project 12.1 Extra Karel Puzzles 12.1 Extra Karel Puzzles 11.15 How to Indent Your Code 11.15 How to Indent Your Code 11.14 More Karel Examples and Testing 11.14 More Karel Examples and Testing 11.13 Control Structures Example 11.7 Commenting Your Code 11.12 While Loops in Karel 11.12 While Loops in Karel 11.11 If/Else Statements 11.11 If/Else Statements 11.10 If Statements 11.10 If Statements 11.9 For Loops 11.9 For Loops 11.8 Super Karel 11.8 Super Karel 11.7 Commenting Your Code
 Standard 2.7 Commenting Your Code 2.7 Commenting Your Code 2.9 Super Karel 2.9 Super Karel 2.10 For Loops 2.10 For Loops 2.11 If Statements 2.11 If Statements 2.12 If/Else Statements 2.12 If/Else Statements 2.13 While Loops in Karel 2.13 While Loops in Karel 2.14 Control Structures Example 2.14 Control Structures Example 2.15 More Karel Examples and Testing 2.15 More Karel Examples and Testing 2.16 How to Indent Your Code 2.16 How to Indent Your Code 3.2 Challenge Problems 3.2 Challenge Problems 6.1 Hello World 6.1 Hello World 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 11.4 Functions and Return Values 1 11.4 Functions and Return Values 1 11.5 Functions and Return Values 2 11.5 Functions and Return Values 2 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