How do you handle errors in JavaScript?

Short answer: Using try...catch...finally or Promise .catch(). Example: try { throw new Error("Something went wrong!"); } catch (err) { console.error(err.message); } finally { console.log("Cleanup code"); } Intermediate

Example code

Using try...catch...finally or Promise .catch(). Example: try { throw new Error("Something went wrong!"); } catch (err) { console.error(err.message); } finally { console.log("Cleanup code"); }
Intermediate

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.