What are arrow functions and how are they different from normal functions?

Short answer: Arrow functions are shorter, and they don’t have their own this, arguments, or prototype. Follow me on LinkedIn:

Example code

const obj = { val: 10, normal() { console.log(this.val); }, // Works arrow: () => console.log(this.val), // Undefined (no own this) };

Real-world example (ShopNest)

ShopNest’s browser cart uses modern JavaScript: fetch APIs with async/await, modules, and clear error handling.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.