Full Stack Developer (MERN)

github

Aman Shahi  • Peerlist

Authentication App created using MERN stack

AuthApp

-> A responsive BMI calculator that takes user’s height and weight to compute BMI in real-time.
-> Displays BMI category (Underweight, Normal, Overweight, Obese) with dynamic color feedback.
-> Includes a BMI chart image and reset functionality for better user experience.

BMI Index Calculator

-> A basic calculator built using HTML, CSS, and JavaScript.
-> Supports addition, subtraction, multiplication, and division. Clean UI with keyboard input support.

Calculator

-> A fun color palette toggler using JavaScript and CSS.
-> Click buttons to change the background color instantly.

Color Switcher

A simple and stylish countdown timer made using HTML, CSS, and JavaScript. Enter a time in seconds, and watch the countdown in action!

🛠 Features
-> ✅ Input validation (no negative or empty values)
-> ⏳ Smooth countdown with real-time updates
-> 🔊 Ticking sound while timer runs, alert sound when time is up
-> 🎯 Stylish circular timer display
-> 📱 Fully responsive layout
-> ⚠️ Clear error messages for invalid input

Countdown Timer

-> A basic review collector built using HTML, CSS, and JavaScript.
-> Real-time input handling: Submit button turns green only when input is valid.
-> Auto-reset logic to clear fields after review submission.
-> DOM manipulation with clean, readable vanilla JS.
-> Fully responsive for both desktop and mobile users.
-> Lightweight and fast-loading — perfect for learning frontend basics.

Review Collector

-> A simple and clean to-do list web app built using HTML, CSS, and Vanilla JS.
-> Add/delete tasks with instant alerts. Fully responsive UI.