Question 1

What is process.nextTick() in Node.js?

Accepted Answer

process.nextTick() schedules a callback to run immediately after the current operation completes and before the Event Loop continues.

Question 2

Is process.nextTick() part of the Event Loop?

Accepted Answer

No. It uses a special nextTick queue that is processed before the Event Loop phases.

Question 3

Does process.nextTick() execute before setTimeout()?

Accepted Answer

Yes. The nextTick queue is processed before timer callbacks.

Question 4

Why is process.nextTick() useful?

Accepted Answer

It helps defer execution, maintain asynchronous APIs, and schedule high-priority callbacks.

What is process.nextTick() in Node.js?

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