while Loop in JavaScript

while Loop in JavaScript — a practical guide to JavaScript while loop with clear examples you can reuse in real projects.

JavaScript Tutorial Series (27/101). Prefer one article? Read the complete JavaScript tutorial.

Short description

Ensure the condition eventually becomes false to avoid infinite loops.

while

let n = 3;
while (n > 0) {
  console.log(n);
  n -= 1;
}