The __________ is a JavaScript runtime feature that constantly checks if the call stack is empty to run queued callbacks.
- Event Loop
- Callback Queue
- Microtask Queue
- Execution Context
The correct option is Event Loop. The Event Loop is a crucial part of JavaScript's concurrency model. It continuously checks the call stack, and when it's empty, it picks up and executes tasks from the callback queue. Understanding the Event Loop is essential for writing efficient and non-blocking code.
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