Quick Full-Stack Coding Help under 10 minutes

I have a brief BCA homework-style exercise that should take a seasoned developer no more than 10–15 minutes. The front-end portion must be written in JavaScript, and if dropping the snippet into React makes things faster for you, feel free... (Budget: ₹100 - ₹400 INR, Jobs: Backend Development, Full Stack Development, JavaScript, Node.js, NoSQL, Python, React.js, Software Development, SQL, Web Development)