JavaScript Countdown Timer is a simple countdown timer built with vanilla HTML, CSS, and JavaScript. It starts from a preset time (5 minutes by default), counts down to zero, and alerts the user when time is up — with play/pause controls to start and stop the countdown at any moment.
- Features
- Preview
- Project Structure
- Installation Guide
- Usage
- Technologies Used
- License
- Contributing
- Connect with Me
✅ Countdown display: Shows minutes and seconds in a clean MM:SS format.
✅ Play/Pause controls: Start and stop the countdown at any time.
✅ Time's-up alert: A browser alert fires the moment the countdown reaches zero.
✅ Auto-reset: The timer resets back to its starting value after finishing.
✅ Responsive design: The circular timer card adapts to smaller screens.
javascript-countdown-timer/
├── src/
│ ├── css/
│ │ └── styles.css # Circular card layout, buttons, and responsive breakpoint
│ ├── js/
│ │ └── script.js # Countdown logic and play/pause controls
│ └── images/ # Screenshots used in this README
├── favicon.ico
├── index.html # Timer markup
└── README.md
git clone https://github.com/Iqbolshoh/javascript-countdown-timer.gitcd javascript-countdown-timerJust open index.html in any modern browser — no build step or server required.
- ⏳ The timer starts at 05:00 by default.
▶️ Click Play to start (or restart) the countdown.- ⏸️ Click Pause to stop it at the current time.
- 🔔 When it reaches
00:00, an alert notifies you that time is up, and the timer resets. - ✏️ To change the starting time, edit the
<h1 id="time">05:00</h1>value inindex.html.
This project is open-source and available under the MIT License.
🎯 Contributions are welcome! If you have suggestions or want to enhance the project, feel free to fork the repository and submit a pull request.
💬 I love meeting new people and discussing tech, business, and creative ideas. Let's connect! You can reach me on these platforms:

