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Ever wondered how to make your JavaScript code run at least once before checking a condition? In this beginner-friendly tutorial, you'll learn how to write and use do...while loops in JavaScript, and when they’re the best choice over other loop types.
The do...while loop is especially useful for form input validation, menu prompts, and other cases where code must run first, then loop only if needed.
🧠 In this video, you’ll learn:
Syntax and structure of the do...while loop
Key differences between while and do...while
Real-world examples: user input retry, simple menu interface, countdown
Common mistakes like infinite loops and logic errors — and how to avoid them
Tips for clean, readable loop logic in JavaScript
Perfect for JavaScript beginners, students, and anyone building interactive programs or games where post-condition loops are needed.
🎯 Be sure to explore our full JavaScript Tutorials Playlist for more control flow, loops, and real-world projects!
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2025/07/15
youtube
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