The answer
It is closely tied to Event Loop behavior and is a common Node.js backend interview topic.
What Is process.nextTick() in Node.js?
Why is process.nextTick() important for interviews?
More FAQs in What Is process.nextTick() in Node.js?
process.nextTick() schedules a callback to run immediately after the current operation completes and before the Event Loop continues.
No. It uses a special nextTick queue that is processed before the Event Loop phases.
Yes. The nextTick queue is processed before timer callbacks.
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