What is flexbox and why is it used?

Short answer: Flexbox (Flexible Box Layout) is a one-dimensional layout system for aligning items horizontally or vertically.

Example code

.container { display: flex; justify-content: center; align-items: center; } Why use it: Centers elements easily. Handles spacing and alignment dynamically. Makes layouts responsive. Key Takeaway: Flexbox simplifies alignment and space distribution in one direction.

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.