Countdown Timer is a simple web application that allows users to set and track a countdown for a specific duration. It provides a user-friendly interface for setting hours, minutes, and seconds, and displays the remaining time in real-time.

Features

Time Selection: Users can select hours, minutes, and seconds using dropdown menus.
Start/Stop Functionality: A button to start or stop the timer.
Clear Function: Ability to reset the timer to 00:00:00.
Real-time Display: The timer updates in real-time, showing the remaining time.
Completion Alert: An alert is shown when the countdown reaches zero.
Dark Mode Toggle: Option to switch between light and dark modes for user preference.

Technologies Used

JavaScript: Implements timer logic and interactivity.
HTML: Structures the application's layout.
CSS: Styles the application's appearance.

Setup

Follow these instructions to set up and run the Countdown Timer project:

Clone the Repository:

git clone https://github.com/phuchoa2001/ULTIMATE-JAVASCRIPT-PROJECT.git
cd Basic Projects/8-countdown_timer

Open the Project: Open the index.html file in your preferred web browser to start the application.
Open index.html in your web browser: You can open the index.html file directly in your web browser by double-clicking on it or by using a live server extension in your code editor (like Live Server for VSCode).

Contribution

Contributions to the Countdown Timer project are welcome. Follow these steps to contribute:

Fork the Repository: Click the "Fork" button on the repository's GitHub page to create a copy of the repository under your GitHub account.

Clone Your Fork:

git clone https://github.com/your-username/countdown-timer.git
cd Basic Projects/8-countdown_timer

Create a Branch: Create a new branch for your feature or bug fix.
```
git checkout -b feature-name
```
Make Changes: Make your changes to the codebase. Ensure your code follows the project's style guidelines.
Commit Changes: Commit your changes with a descriptive commit message.
```
git commit -m "Description of the changes"
```
Push Changes: Push your changes to your forked repository.
```
git push origin feature-name
```
Create a Pull Request: Open a pull request from your fork's branch to the main repository's main branch. Provide a clear description of your changes and the purpose of the pull request.

Get in Touch

If you have any questions or need further assistance, feel free to open an issue on GitHub or contact us directly. Your contributions and feedback are highly appreciated!

Thank you for your interest in the Countdown Timer project. Together, we can build a more robust and feature-rich application. Happy coding!