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Repetition with Loops

8 exercisesEasy

Loops repeat a block of code while their state changes. A for loop keeps its starting value, condition, and update together, making a counted repetition easy to scan.

for (let step = 1; step <= 3; step += 1) {
  console.log(`Step ${step}`);
}

// Step 1
// Step 2
// Step 3

Begin with traced counters and running totals before comparing for with while. Check that every loop has a reachable stopping condition—especially when the repeated code changes the same value used by the condition.

Repeat with a for LoopStart Count Down by TwoStart Trace a while LoopStart Print Even NumbersStart Repair the Loop ConditionStart Grow Until the GoalStart Add a Running TotalStart Three Times TableStart

Next CategoryLooping Through Arrays