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What is the Event Loop in JavaScript?

The Event Loop is a mechanism that allows JavaScript to handle asynchronous operations while remaining single-threaded. It continuously checks the call stack and task queues, executing callbacks when the stack becomes empty. This enables features such as timers, promises, and asynchronous API calls.

Related Drills

What are JavaScript Closures and how are they useful in practice?

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Explain event delegation in JavaScript and why we should use it.

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1 . What is the difference between let, const, and var?

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JB

Jeevan Bhargav

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This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.