Want to display a live countdown timer on your website? In this hands-on JavaScript tutorial, you’ll learn how to build a countdown timer using JavaScript, HTML, and CSS — no libraries required!

Perfect for flash sales, launch events, registration deadlines, exam timers, or quizzes, this project will help you master real-time logic, DOM manipulation, and the Date object in JavaScript.

In this video, you’ll learn:

How to set a target date and time

Use of the Date object and getTime() to calculate the difference

Update the countdown every second with setInterval()

Dynamically display days, hours, minutes, and seconds

Handle countdown expiration (e.g., show "Time's Up")

Bonus: Style your timer for product pages or events

Great for JavaScript beginners, students, or anyone building real-time, deadline-driven UI components.

Check out our full JavaScript Projects Playlist for more dynamic, DOM-powered tutorials!

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