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What is the V8 engine?

Q: What is the V8 engine?

Short answer: The V8 engine is a high-performance JavaScript engine developed by Google for Chrome. Node.js uses it to compile and run JavaScript code on the server side. It converts JS code into machine code, making it fast and efficient. 📌 Use Case: When you run a .js file with Node.js, the V8 engine compiles your code into machine code behind the scenes. Say this in the interview Define — one clear sentence (the short answer above). Example — relate it to a project like ShopNest or your real work. Trade-off — when you would not use it.

Short answer: The V8 engine is a high-performance JavaScript engine developed by Google for Chrome. Node.js uses it to compile and run JavaScript code on the server side. It converts JS code into machine code, making it fast and efficient. 📌 Use Case: When you run a .js file with Node.js, the V8 engine compiles your code into machine code behind the scenes.

Say this in the interview

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

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