### Please enable JavaScript to use CodeHS

Introduction to Computer Science in JavaScript (Golden) (2022)

#### Points

Activity Points Item Type
Programming with Karel
1.1 Introduction to Programming With Karel Lesson
1.1.1 Introduction to Programming With Karel 1 Video
1.1.2 Quiz: Karel Commands 1 Check for Understanding
1.1.3 Our First Karel Program 1 Example
1.1.4 Your First Karel Program 5 Exercise
1.1.5 Short Stack 5 Exercise
1.2 More Basic Karel Lesson
1.2.1 More Basic Karel 1 Video
1.2.2 More Basic Karel Quiz 4 Check for Understanding
1.2.3 Tennis Ball Square 1 Example
1.2.4 Make a Tower 5 Exercise
1.2.5 Pyramid of Karel 5 Exercise
1.3 Karel Can't Turn Right Lesson
1.3.1 Karel Can't Turn Right 1 Video
1.3.2 Karel Can't Turn Right Quiz 2 Check for Understanding
1.3.3 Tower and Turn Right 1 Example
1.3.4 Slide Karel 5 Exercise
1.3.5 Fireman Karel 5 Exercise
1.4 Functions in Karel Lesson
1.4.1 Functions in Karel 1 Video
1.4.2 Functions in Karel Quiz 1 Check for Understanding
1.4.3 Turn Around 1 Example
1.4.4 Pancakes 5 Exercise
1.4.5 Mario Karel 5 Exercise
1.5 The Start Function Lesson
1.5.1 The Start Function 1 Video
1.5.2 The Start Function Quiz 2 Check for Understanding
1.5.3 Tower with Start Function 1 Example
1.5.4 Pancakes with Start 5 Exercise
1.6 Top Down Design and Decomposition in Karel Lesson
1.6.1 Top Down Design and Decomposition in Karel 1 Video
1.6.2 Top Down Design and Decomposition Quiz 2 Check for Understanding
1.6.3 Hurdle Karel 1 Example
1.6.4 The Two Towers 5 Exercise
1.7.1 Commenting Your Code 1 Video
1.7.2 Commenting Your Code Quiz 1 Check for Understanding
1.7.3 Hurdle Karel 1 Example
1.7.4 The Two Towers + Comments 5 Exercise
1.8 Super Karel Lesson
1.8.1 Super Karel 1 Video
1.8.2 Super Karel Quiz 1 Check for Understanding
1.8.3 Hurdle Karel (with SuperKarel) 1 Example
1.8.4 The Two Towers + SuperKarel 5 Exercise
1.9 For Loops Lesson
1.9.1 For Loops 1 Video
1.9.2 For Loops Quiz 1 Check for Understanding
1.9.3 Repeated Move 1 Example
1.9.4 Put Down Tennis Balls 1 Example
1.9.5 Take 'em All 5 Exercise
1.9.6 Dizzy Karel 5 Exercise
1.9.7 Ball in Each Corner 5 Exercise
1.9.8 Lots of Hurdles 5 Exercise
1.10 If Statements Lesson
1.10.1 If Statements 1 Video
1.10.2 If Statements Quiz 2 Check for Understanding
1.10.3 If Statements 1 Example
1.10.4 Safe Take Ball 1 Example
1.10.5 Is There a Ball? 5 Exercise
1.10.6 Don't Crash! 5 Exercise
1.11 If/Else Statements Lesson
1.11.1 If/Else Statements 1 Video
1.11.2 If/Else Statements Quiz 2 Check for Understanding
1.11.3 If/Else Statements 1 Example
1.11.4 Opposite Day 1 Example
1.11.5 Right Side Up 5 Exercise
1.11.6 Right vs. Left Square 5 Exercise
1.12 While Loops in Karel Lesson
1.12.1 While Loops in Karel 1 Video
1.12.2 While Loops in Karel Quiz 2 Check for Understanding
1.12.3 Move to Wall 1 Example
1.12.5 Lay Row of Tennis Balls 5 Exercise
1.12.6 Big Tower 5 Exercise
1.13 Control Structures Example Lesson
1.13.1 Control Structures Example 1 Video
1.13.2 Control Structures Example Quiz 2 Check for Understanding
1.13.3 Cleanup Karel 1 Example
1.13.4 Random Hurdles 5 Exercise
1.13.5 Mindset Survey 1 1 Survey
1.14 More Karel Examples and Testing Lesson
1.14.1 More Karel Examples and Testing 1 Video
1.14.2 Quiz: Which Control Structure? 5 Check for Understanding
1.14.3 Move Tennis Ball Stack 1 Example
1.14.4 Climbing Karel 1 Example
1.15 How to Indent Your Code Lesson
1.15.1 How to Indent Your Code 1 Video
1.15.2 How to Indent Your Code Quiz 1 Check for Understanding
1.15.3 Dance and Clean Karel 1 Example
1.15.4 Diagonal 5 Exercise
1.15.5 Staircase 5 Exercise
1.16 Programming with Karel Quiz Lesson
1.16.1 Programming with Karel Quiz 25 Unit Quiz
Karel Challenges
2.1 Challenge Problems Lesson
2.1.1 Fetch 10 Challenge
2.1.2 Racing Karel 10 Challenge
2.1.3 Tower Builder 10 Challenge
2.1.4 Super Cleanup Karel 10 Challenge
2.1.5 Double Tennis Balls 10 Challenge
JavaScript and Graphics
3.1 Hello World Lesson
3.1.1 Hello World 1 Video
3.1.2 Hello World Quiz 1 Check for Understanding
3.1.3 Hello World 1 Example
3.1.4 Your Name and Hobby 5 Exercise
3.2 Variables Lesson
3.2.1 Variables 1 Video
3.2.2 Variables Quiz 1 Check for Understanding
3.2.3 Basic Variables 1 Example
3.2.4 Daily Activities 5 Exercise
3.3 User Input Lesson
3.3.1 User Input 1 Video
3.3.2 User Input Quiz 2 Check for Understanding
3.3.3 Basic User Input 1 Example
3.3.4 Dinner Plans 5 Exercise
3.4 Basic Math in JavaScript Lesson
3.4.1 Basic Math in JavaScript 1 Video
3.4.2 Basic Math in JavaScript Quiz 3 Check for Understanding
3.4.3 Simple Calculator 1 Example
3.4.4 Dollars to Pounds 1 Example
3.4.5 Dividing Up Groups 1 Example
3.4.6 T-Shirt Shop 5 Exercise
3.4.7 Running Speed 5 Exercise
3.5 Using Graphics in JavaScript Lesson
3.5.1 Graphics 1 Video
3.5.2 JavaScript Graphics Quiz 3 Check for Understanding
3.5.3 Graphics Hello World 1 Example
3.5.4 Blue Circle 1 Example
3.5.5 Red Rectangle 1 Example
3.5.6 8 Ball 1 Example
3.5.7 Flag of the Netherlands 5 Exercise
3.5.8 Snowman 5 Exercise
3.6 Programming with JavaScript Quiz Lesson
3.6.1 JavaScript and Graphics Quiz 15 Unit Quiz
Graphics Challenges
4.1 Collaborative Programming Lesson
4.1.1 Pair-Programming 1 Video
4.1.2 Pair-Programming 2 Check for Understanding
4.1.3 Why Practice Pair-Programming? 1 Connection
4.1.4 Pair-Programming Reflection 5 Free Response
4.2 Graphics Challenges Lesson
4.2.1 Ghost 10 Challenge
4.2.2 Fried Egg 10 Challenge
4.2.3 Draw Something 10 Challenge
JavaScript Control Structures
5.1 Booleans Lesson
5.1.1 Booleans 1 Video
5.1.2 Booleans Quiz 1 Check for Understanding
5.1.3 First Boolean 1 Example
5.1.4 Do You Have a Dog? 5 Exercise
5.2 Logical Operators Lesson
5.2.1 Logical Operators 1 Video
5.2.2 Logical Operators Quiz 3 Check for Understanding
5.2.3 Light Switch 1 Example
5.2.4 President 1 Example
5.2.5 Wasting Time 1 Example
5.2.6 Can You Graduate? 5 Exercise
5.2.7 School's Out 5 Exercise
5.3 Comparison Operators Lesson
5.3.1 Comparison Operators 1 Video
5.3.2 Comparison Operators Quiz 2 Check for Understanding
5.3.3 Voting Age 1 Example
5.3.5 Rolling Dice 5 Exercise
5.3.6 Girl Scout Designation 5 Exercise
5.4 If Statements Lesson
5.4.1 If Statements 1 Video
5.4.2 If Statements Quiz 3 Check for Understanding
5.4.3 Negative Numbers 1 Example
5.4.4 Great Names 1 Example
5.4.5 Even and Odd 1 Example
5.4.7 Teenagers 5 Exercise
5.4.8 Dietary Restrictions 5 Exercise
5.4.10 Mindset Survey 2 1 Survey
5.5 For Loops in JavaScript Lesson
5.5.1 Basic For Loop 1 Video
5.5.2 For Loops Quiz 2 Check for Understanding
5.5.3 For Loop 1 Example
5.5.4 Chalkboard 5 Exercise
5.5.5 The Worm 5 Exercise
5.5.6 Caterpillar 5 Exercise
5.6 General For Loops Lesson
5.6.1 General For Loop 1 Video
5.6.2 General For Loop Quiz 2 Check for Understanding
5.6.3 Countdown 1 Example
5.6.4 Count By Twos 1 Example
5.6.5 Count By Sevens 5 Exercise
5.6.6 Powers of Two 5 Exercise
5.7 For Loop Practice Lesson
5.7.1 For Loop Examples 1 Video
5.7.2 For Loop Examples Quiz 3 Check for Understanding
5.7.3 For Loop Sum 1 Example
5.7.4 Better Sum 5 Exercise
5.7.5 Factorial 5 Exercise
5.7.6 All Dice Values 5 Exercise
5.8 Random Numbers Lesson
5.8.1 Random Numbers 1 Video
5.8.2 Random Numbers Quiz 2 Check for Understanding
5.8.3 Rolling a Die 1 Example
5.8.4 Flipping a Coin 1 Example
5.8.5 Lots of Rolls 5 Exercise
5.8.6 Random Color Square 5 Exercise
5.9 While Loops Lesson
5.9.1 While Loops 1 Video
5.9.2 While Loops Quiz 2 Check for Understanding
5.9.3 While Loop Countdown 1 Example
5.9.4 Inventory 5 Exercise
5.9.5 Fibonacci 5 Exercise
5.9.6 Concentric Circles 5 Exercise
5.10 Loop and a Half Lesson
5.10.1 Loop and a Half 1 Video
5.10.2 Loop and a Half Quiz 3 Check for Understanding
5.10.3 Adding Up Numbers 1 Example
5.10.4 Snake Eyes 5 Exercise
5.10.5 Better Password Prompt 5 Exercise
5.11 Javascript Control Structures Quiz Lesson
5.11.1 JavaScript Control Structures Quiz 15 Unit Quiz
Control Structures Challenges
6.1 Control Structures Challenges Lesson
6.1.1 Guessing Game 10 Challenge
6.1.2 Circles in Circles 10 Challenge
6.1.3 Circles in Squares 10 Challenge
6.1.4 Happy Birthday! 10 Challenge
Functions and Parameters
7.1 Functions and Parameters 1 Lesson
7.1.1 Functions and Parameters 1 1 Video
7.1.2 Functions and Parameters Quiz 1 3 Check for Understanding
7.1.3 Double Number 1 Example
7.1.4 Square 5 Exercise
7.1.5 Triple 5 Exercise
7.2 Functions and Parameters 2 Lesson
7.2.1 Functions and Parameters 2 1 Video
7.2.2 Functions and Parameters Quiz 2 2 Check for Understanding
7.2.3 Sum Function 1 Example
7.2.4 Area of Triangle 5 Exercise
7.2.5 Height in Meters 5 Exercise
7.3 Functions and Parameters 3 Lesson
7.3.1 Functions and Parameters 3 1 Video
7.3.2 Functions and Parameters Quiz 3 2 Check for Understanding
7.3.3 Draw Circles 1 Example
7.3.4 Vertical Lines 5 Exercise
7.3.5 Graphics Stop Light 5 Exercise
7.3.6 Pool Table 5 Exercise
7.3.7 Cityscape 5 Exercise
7.3.9 Mindset Survey 3 1 Survey
7.4 Functions and Return Values 1 Lesson
7.4.1 Functions and Return Values 1 1 Video
7.4.2 Functions and Return Values Quiz 2 Check for Understanding
7.4.3 Double Number 1 Example
7.4.4 Square with Return Values 5 Exercise
7.4.5 Triple with Return Values 5 Exercise
7.4.6 Gymnastics Mats 5 Exercise
7.5 Functions and Return Values 2 Lesson
7.5.1 Functions and Return Values 2 1 Video
7.5.2 Functions and Return Values Quiz 2 2 Check for Understanding
7.5.3 Return Values 1 Example
7.5.4 Is It Even? 5 Exercise
7.5.5 Max 5 Exercise
7.6 Local Variables and Scope Lesson
7.6.1 Local Variables and Scope 1 Video
7.6.2 Local Variables and Scope Quiz 1 Check for Understanding
7.6.3 Return Values 1 Example
7.6.4 Local Variables 5 Exercise
7.7 Functions and Parameters Quiz Lesson
7.7.1 Functions and Parameters Quiz 15 Unit Quiz
Functions Challenges
8.1 Functions Challenges Lesson
8.1.1 Hailstone Sequence 10 Challenge
8.1.2 Balloons 10 Challenge
8.1.4 Ghost Invasion! 10 Challenge
Animation and Games
9.1 Timers Lesson
9.1.1 Timers 1 Video
9.1.2 Timers Quiz 2 Check for Understanding
9.1.3 Moving Ball 1 Example
9.1.4 Magic 8 Ball 1 Example
9.1.5 Crazy Ball 5 Exercise
9.2 Random Circles Lesson
9.2.1 Example: Random Circles 1 Video
9.2.2 Random Circles Quiz 2 Check for Understanding
9.2.3 Random Circles 1 Example
9.2.4 Spinner Example 1 Example
9.2.5 Growing Circle 5 Exercise
9.2.6 Paint splatter 5 Exercise
9.3 Random Ghosts Lesson
9.3.1 Example: Random Ghosts 1 Video
9.3.2 Random Ghosts Quiz 3 Check for Understanding
9.3.3 Random Ghosts 1 Example
9.3.4 Random Fireworks 1 Example
9.3.5 Circle Wall 5 Exercise
9.3.6 Brick Wall 5 Exercise
9.4 Bouncing Ball Lesson
9.4.1 Example: Bouncing Ball 1 Video
9.4.2 Bouncing Ball Quiz 2 Check for Understanding
9.4.3 Bouncing Ball 1 Example
9.4.4 Hotspot Ball 5 Exercise
9.4.5 Trail 5 Exercise
9.5 Mouse Events: Mouse Clicked Lesson
9.5.1 Mouse Events: Mouse Clicked 1 Video
9.5.2 Mouse Events: Mouse Clicked Quiz 2 Check for Understanding
9.5.3 Click For Circles 1 Example
9.5.4 Click For Ghosts 1 Example
9.5.5 Teleporting Ball 5 Exercise
9.5.6 Pause 5 Exercise
9.6 Mouse Events: Mouse Moved Lesson
9.6.1 Mouse Events: Mouse Moved 1 Video
9.6.2 Mouse Events: Mouse Moved Quiz 2 Check for Understanding
9.6.3 Simple Painting 1 Example
9.6.4 Colorful Drag to Paint 1 Example
9.6.5 Coordinates 5 Exercise
9.6.6 Target 5 Exercise
9.7 Drawing Lines Lesson
9.7.1 Example: Drawing Lines 1 Video
9.7.2 Drawing Lines Quiz 2 Check for Understanding
9.7.3 Drawing Lines 1 Example
9.7.4 Leash 5 Exercise
9.7.6 Mindset Survey 4 1 Survey
9.8 Key Events Lesson
9.8.1 Key Events 1 Video
9.8.2 Key Events Quiz 1 Check for Understanding
9.8.3 Keyboard Square 1 Example
9.8.4 Basic Snake 5 Exercise
9.9 Crazy Ball Game Lesson
9.9.1 Crazy Ball Game 1 1 Video
9.9.2 Crazy Ball Game Quiz 1 1 Check for Understanding
9.9.3 Crazy Ball Game 1 1 Example
9.9.4 Crazy Ball Game 2 1 Video
9.9.5 Crazy Ball Game Quiz 2 2 Check for Understanding
9.9.6 Crazy Ball Game 2 1 Example
9.9.7 Click for Collision 5 Exercise
9.9.8 Drag and Drop 5 Exercise
9.10 Animation and Games Quiz Lesson
9.10.1 Animation and Games Quiz 25 Unit Quiz
Animation Challenges
10.1 Animation Challenges Lesson
10.1.2 Increasing Number of Shapes 10 Challenge
Project: Breakout
11.1 Breakout Lesson
11.1.1 Bricks 10 Challenge
11.1.2 Ball and Paddle 10 Challenge
11.1.3 Breakout 10 Challenge
Final Project
12.1 Project Prep and Development Lesson
12.1.1 Planning and Design 5 Free Response
12.1.2 Pseudocode 5 Pseudocode
12.1.3 Write the Code! 10 Challenge
12.1.4 Present your Project 5 Presentation
Final Exam
13.1 Final Exam Lesson
13.1.1 JavaScript Final Exam Pt. 1: Multiple Choice 25 Final
Midterm
14.1 Midterm Lesson
14.1.1 Midterm Pt 1: Multiple Choice 10 Midterm
Extra Karel Practice
15.1 Extra Karel Practice Lesson
15.1.1 Functions Practice: K For Karel 10 Challenge
15.1.2 Functions Practice: Karel Plants A Tree 10 Challenge
15.1.3 Functions Practice: X Marks the Spot 10 Challenge
15.1.4 While Loop Practice: Blackout 10 Challenge
15.1.5 While Loop Practice: Move To Top 10 Challenge
15.1.6 Functions and While Loop Practice: Opposite Corner 10 Challenge
15.1.7 While Loop Practice: Checkered Row 10 Challenge
15.1.8 For Loop Practice: Tall Hurdles 10 Challenge
15.1.9 Functions and While Loop Practice: Row and Back 10 Challenge
15.1.10 Functions and For Loop Practice: Opposite Squares 10 Challenge
15.1.11 Stairway To Heaven 10 Challenge
15.1.13 For Loop Square 5 Exercise
Extra Karel Puzzles
16.1 Extra Karel Puzzles Lesson
16.1.1 Midpoint Karel 10 Challenge
16.1.2 Target Karel 10 Challenge
16.1.3 The Winding Yellow Road 10 Challenge
16.1.4 Super Random Hurdles 10 Challenge
16.1.5 Copy 10 Challenge
16.1.6 Multiply 10 Challenge
16.1.7 Fibonacci Karel 10 Challenge
16.1.8 Comparison Karel 10 Challenge
16.1.9 Swap 10 Challenge
16.1.10 Sorting Karel 10 Challenge
Functions and Parameters Practice
17.1 Functions and Parameters Practice Lesson
17.1.1 Taking a Power 10 Challenge
17.1.2 Dot Rectangle 10 Challenge
17.1.3 Print the Date 10 Challenge
17.1.4 Concentric Circles 10 Challenge
17.1.5 Graphics Staircase 10 Challenge
17.1.6 The Weekend 5 Exercise
Extra Console Challenges
18.1 Prime Numbers Lesson
18.1.1 Prime Numbers 10 Challenge
18.1.2 Find the Max 10 Challenge
18.1.3 Prime Factorization 10 Challenge
18.1.4 Fizz Buzz 10 Challenge
18.1.5 Grid Printer 10 Challenge
18.1.6 Number Sum 10 Challenge
18.1.7 Hailstone Sequence 10 Challenge
18.1.8 Pythagorean Triples 10 Challenge
18.1.9 Digit Array 10 Challenge
More Graphics and Animation
19.1 Fun Snake Lesson
19.1.1 Fun Snake 1 10 Challenge
19.1.2 Fun Snake 2 10 Challenge
19.1.3 Fun Snake 3 10 Challenge
19.1.4 Fun Snake 4 - A Full Game! 10 Challenge
19.2 Fun Graphics Challenges Lesson
19.2.1 Balloons 10 Challenge
19.2.2 Broccoli 10 Challenge
19.2.4 Snowman Loop 10 Challenge
Data Structures Challenge Problems
20.1 Conway's Game of Life Lesson
20.1.1 Make The Grid 5 Exercise
20.1.2 Find Life 5 Exercise
20.1.3 Finish Up 5 Exercise
20.2 Connect Four Lesson
20.2.1 Make The Board 5 Exercise
20.2.2 Take Turns 5 Exercise
20.2.3 Find the Winner 5 Exercise
Evolution Simulation
21.1 Evolution Simulation Lesson
21.1.1 Evolution Simulation: Part 1 10 Challenge
21.1.2 Evolution Simulation: Part 2 10 Challenge
21.1.3 Evolution Simulation: Part 3 10 Challenge
21.1.4 Evolution Simulation: Part 4 10 Challenge
21.1.5 Evolution Simulation: Part 5 10 Challenge
Demo Problems
22.1 Lesson 1 Lesson
22.1.1 Square Method 0 Practice
22.1.2 Java Sum 0 Practice
22.1.3 Python Sum 0 Practice
22.1.4 JavaScript Sum 0 Practice
Extra Quiz Questions
23.1 Basic Javascript and Graphics Lesson
23.1.1 Extra JavaScript Graphics Quesions 2 Quiz
23.1.2 Extra Logical Operators Questions 3 Quiz
23.1.3 Extra Functions and Return Values Questions 1 Quiz
23.1.4 Extra Local Variables and Scope Questions 3 Quiz
23.2 Animation and Games Lesson
23.2.1 Extra Timers Questions 1 Quiz
23.2.2 Extra Bouncing Ball Questions 1 Quiz
23.2.3 Extra Mouse Events: Mouse Clicked Questions 3 Quiz
23.2.4 Extra Key Events Questions 2 Quiz
23.2.5 Extra Crazy Ball Game Questions 3 Quiz
23.3 Basic Data Structures Lesson
23.3.1 Extra Intro to Lists/Arrays Questions 2 Quiz
23.3.2 Extra Indexing into an Array Questions 2 Quiz
23.3.3 Extra Adding/Removing from an Array Questions 2 Quiz
23.3.4 Extra Array Length and Looping Through Arrays Questions 3 Quiz
23.3.5 Extra Iterating Over an Array Questions 1 Quiz
23.3.6 Extra Finding an Element in a List Questions 1 Quiz
23.3.7 Extra Removing an Element from an Array Questions 1 Quiz
23.3.8 Extra Basics of Objects Questions 1 Quiz
23.3.9 Extra Intro to Sets Questions 1 Quiz
23.3.10 Extra Intro to Grids Questions 1 Quiz
Visualizing Music
24.1 Visualizing Music Lesson
24.1.1 Visualizing Music 1 Video
24.1.2 Our First Visualization 1 Example
24.1.3 Vertical Bars 1 Example
24.1.4 Vertical Bars with Color 1 Example
24.1.5 Changing Circles 1 Example
24.1.6 Your First Visualization 5 Exercise
24.1.7 Changing Colors 5 Exercise
24.1.8 Custom Colors 5 Exercise
24.1.9 Create Your Own Music Visualization 5 Exercise
Data Structures
25.1 Intro to Lists/Arrays Lesson
25.1.1 Intro to Lists/Arrays 1 Video
25.1.2 Intro to Lists/Arrays Quiz 2 Check for Understanding
25.1.3 Making an Array 1 Example
25.1.4 List of Places to Travel 5 Exercise
25.1.5 List of Even Numbers 5 Exercise
25.2 Indexing Into an Array Lesson
25.2.1 Indexing Into an Array 1 Video
25.2.2 Indexing into an Array Quiz 2 Check for Understanding
25.2.3 Array Indexing Practice 1 Example
25.2.4 Top Websites 5 Exercise
25.3 Adding/Removing From an Array Lesson
25.3.1 Adding/Removing From an Array 1 Video
25.3.2 Adding/Removing from an Array Quiz 3 Check for Understanding
25.3.3 Add/Remove From Array 1 Example
25.3.4 Practice Push and Pop 5 Exercise
25.4 Array Length and Looping Through Arrays Lesson
25.4.1 Array Length and Looping Through Arrays 1 Video
25.4.2 Array Length and Looping Through Arrays Quiz 2 Check for Understanding
25.4.3 Print Shopping List 1 Example
25.4.4 Sum Array 1 Example
25.4.5 Product of List 5 Exercise
25.4.6 Print Flight Itinerary 5 Exercise
25.4.7 Double List 5 Exercise
25.4.8 Evens Only List 5 Exercise
25.4.9 Reverse List 5 Exercise
25.5 Iterating Over an Array Lesson
25.5.1 Examples: Iterating Over an Array 1 Video
25.5.2 Iterating Over an Array Quiz 2 Check for Understanding
25.5.3 Coin Flips 1 Example
25.5.4 Many Crazy Balls 1 Example
25.5.5 Coin Flip Fun: Number of Heads and Tails 5 Exercise
25.5.6 Coin Flip Fun: Longest Streak of Heads 5 Exercise
25.5.7 Changing Circles 5 Exercise
25.5.8 Draw a Barcode 5 Exercise
25.6 Finding an Element in a List Lesson
25.6.1 Finding an Element in a List 1 Video
25.6.2 Finding an Element in a List Quiz 3 Check for Understanding
25.6.3 Array indexOf 1 Example
25.6.4 Who is in Line? 5 Exercise
25.7 Removing an Element From an Array Lesson
25.7.1 Removing an Element From an Array 1 Video
25.7.2 Removing an Element from an Array Quiz 2 Check for Understanding
25.7.3 Splice and Remove 1 Example
25.7.4 Remove From Line 5 Exercise
25.8 Intro to Objects/Maps Lesson
25.8.1 Intro to Objects/Maps 1 Video
25.8.2 Intro to Objects / Maps Quiz 3 Check for Understanding
25.8.3 Phonebook 1 Example
25.8.4 Sidekicks 5 Exercise
25.9 Basics of Objects Lesson
25.9.1 Basics of Objects 1 Video
25.9.2 Basics of Objects Quiz 2 Check for Understanding
25.9.3 Object Literal Phonebook 1 Example
25.9.4 Object Property Phonebook 1 Example
25.9.5 Beware Dot Notation! 1 Example
25.10 Iterating Over an Object Lesson
25.10.1 Iterating Over An Object 1 Video
25.10.2 Iterating over an Object Quiz 1 Check for Understanding
25.10.3 Print Phonebook 1 Example
25.10.4 Hogwarts 5 Exercise
25.11 When Do I Use an Object? Lesson
25.11.1 When Do I Use An Object? 1 Video
25.11.2 When do I use an Object Quiz 4 Check for Understanding
25.11.3 Facebook Friend Lists 1 Example
25.11.4 Does the Key Exist? 1 Example
25.11.5 Text Messages 5 Exercise
25.12 Intro to Sets Lesson
25.12.1 Intro to Sets 1 Video
25.12.2 Intro to Sets Quiz 3 Check for Understanding
25.12.3 Basic Sets 1 Example
25.12.4 Vowels 5 Exercise
25.12.5 Mutual Friends 5 Exercise
25.12.6 Total Network of Friends 5 Exercise
25.13 Intro to Grids Lesson
25.13.1 Intro to Grids 1 Video
25.13.2 Intro to Grids Quiz 3 Check for Understanding
25.13.3 Grid Basics 1 Example
25.13.4 Building a Database 5 Exercise
25.14 Looping Over a Grid Lesson
25.14.1 Looping Over a Grid 1 Video
25.14.2 Looping Over a Grid Quiz 2 Check for Understanding
25.14.3 Print Grid 1 Example
25.14.4 Summing Grid 5 Exercise
25.15 Grid Example: Get a Row Lesson
25.15.1 Grid Example: Get a Row 1 Video
25.15.2 Grid Example: Get a Row Quiz 2 Check for Understanding
25.15.3 Get a Row 1 Example
25.15.4 Grid Diagonal 5 Exercise
25.16 Data Structures Challenges Lesson
25.16.1 Watercolor Grid 10 Challenge
25.16.2 Data Structures Unit Quiz 25 Unit Quiz
Project: Tic Tac Toe
26.1 Tic Tac Toe Lesson
26.1.1 Tic Tac Toe: Part 1 10 Challenge
26.1.2 Tic Tac Toe: Part 2 10 Challenge
26.1.3 Tic Tac Toe: Full Game 10 Challenge
Project: Helicopter Game
27.1 Game Design: Helicopter Lesson
27.1.1 Introduction to Helicopter 1 Video
27.2 Basics Lesson
27.2.1 Moving the Helicopter 1 Video
27.2.2 Moving the Helicopter 5 Exercise
27.2.5 Smoother Movement 1 Video
27.2.6 Smoother Movement 5 Exercise
27.3 Improvements Lesson
27.3.1 Colliding with Walls 1 Video
27.3.2 Wall Collisions 5 Exercise
27.3.3 Colliding with Obstacles 1 Video
27.3.4 Obstacle Collisions 5 Exercise
27.3.7 Moving the Terrain 1 Video
27.3.8 Moving the Terrain 5 Exercise
27.4 Polish Lesson
27.4.1 Helicopter Image and Points! 1 Video
27.4.2 Image and Points 5 Exercise
27.4.3 Dust 1 Video
27.4.4 Dust 5 Exercise
27.4.5 More Obstacles 1 Video
27.4.6 More Obstacles 5 Exercise
27.4.7 Helicopter Extensions 10 Challenge
27.5 Intro to Computer Science Completed Lesson