Want to repeat code until a condition is met? In this beginner-friendly tutorial, you’ll learn how to write and use while loops in JavaScript — perfect for running tasks when you don't know exactly how many times the loop should execute.

The while loop is one of JavaScript’s key control structures used in everything from form validation and user input to games and real-time applications.

In this video, you’ll learn:

How the while loop works in JavaScript

Syntax and logic of while and do...while loops

When to use while vs for loops

Real-world examples: user input validation, countdowns, and more

Common mistakes like infinite loops and how to avoid them

Perfect for JavaScript beginners, coding students, and anyone learning how to build logic-driven programs.

Keep learning with our full JavaScript Tutorials Playlist for more loops, logic, and real-world coding practice.

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