What is the Poll phase in the Node.js event loop
the Poll phase in the Node.js event loop (what is) is a Node.js topic. In plain words you use it for wait for DB then reply in one Node process. Don’t start with a slogan — start with that picture.
Smallest example: async I/O, don’t block. Type it, run it, and say what you see. If you can do that from memory, you know the Poll phase in the Node.js event loop (what is).
From the example next to this theory — What is the Poll phase in the Node.
Trap — fs.readFileSync on a huge file. Fix that before you talk about advanced Node.js.
Viva — what is the Poll phase in the Node.js event loop (what is)? Then show async I/O, don’t block. Then name the trap.
request
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event loop
│ I/O done
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responseWhat is the Poll phase in the Node.js event loop (what is)? Show this: async I/O, don’t block. Trap: fs.readFileSync on a huge file.