chapter.checkpoint
Decisions and Loops
Pause here and make sure the main ideas feel clear before moving to the next chapter.
Review recommended
What you should understand now
Control which code runs and repeat work safely.
Conditions
Run different code for different situations.
Loops and array methods
Repeat work across collections.
progress.review
Chapter progress
Lessons completed
0/2
0% complete
Exercises attempted
0/2
0% complete
Quizzes passed
0/1
0% complete
Before you move on
Use this quick review if anything still feels unclear.
Review chapterRetake chapter quiz
Complete the lessons, pass the exercises, and pass the quiz to unlock the next chapter.