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The do-while Loop - Loops | JavaScript | Repovive

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JavaScript22 sections · 783 units18h total

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The do-while Loop

Run at least once

A do-while loop runs the body first, then checks the condition:

let input

do {
  input = prompt("Enter a number > 10")
} while (input <= 10)

This guarantees at least one execution. Use do-while when you need to run code before knowing if you should repeat.

The condition is checked after each iteration, so the loop always runs at least once.