Learn how to build a functional and responsive tip calculator using only HTML, CSS, and JavaScript. This practical guide walks you through each step of creating a simple front-end web app, making it ideal for beginners with some basic knowledge of web development.

Presented in a clear Q&A format, this book breaks down the process into manageable sections: from setting up the project and structuring the HTML to styling with CSS and adding dynamic behavior with JavaScript. You'll also learn about input validation, debugging, user experience enhancements, and ideas for expanding your app further.

Whether you're a student, a self-taught developer, or someone building a portfolio, this hands-on resource will help you apply foundational web skills to real projects.