I Built a Simple EMI Calculator Using Vanilla JavaScript

I wanted a clean and simple EMI calculator for a small personal project, So I decided to build one using plain HTML, CSS, and vanilla JavaScript. No frameworks, no libraries — just the basics. Features Calculates monthly EMI instantly Simple and clean UI Mobile responsive layout Built with HTML, CSS, and vanilla JS Why I built it Most EMI calculators online are overloaded with ads or unnecessary options. I wanted something: Easy to understand Quick to use Reusable in other small projects Implementation overview HTML handles the form structure and inputs CSS is used for layout, spacing, and responsiveness JavaScript handles: EMI formula calculation Input validation Updating results dynamically Live demo & source code Live demo: ( https://yuvronixstudio.github.io/emi-calculator/ ) Source code: ( https://github.com/YuvronixStudio/emi-calculator ) What I learned Even small calculators benefit from good UX Clear labels and defaults reduce user friction Vanilla JavaScript is more than enough