Building a GPA Calculator Web App with Vanilla HTML, CSS, and JavaScript.: A Practical Q&A Guide Using a GPA Calculator

Learn how to build a functional GPA calculator using only HTML, CSS, and JavaScript. This hands-on guide is for beginners and early-stage developers who want to improve their front-end skills through a real project.

Structured in a practical Q&A format, this book walks through every part of the development process: setting up your project, structuring HTML, styling with CSS, and adding JavaScript functionality. You'll see how to handle user input, validate data, calculate GPA, and enhance the user experience with responsive design and dynamic features.

You’ll Learn:

• How to set up and organize a front-end project
• HTML structure for user input
• CSS styling for clarity and responsiveness
• JavaScript techniques for validation and calculation
• Tips for debugging, testing, and improving usability
• What to explore next in web app development

This guide offers clear explanations, practical code, and helpful advice to support your learning through building.