What is eventloop in javascript?

Answer:

event loop handles the execution of multiple chunks of your program over time, each time invoking the JS Engine.

The Event Loop has one simple job — to monitor the Call Stack and the Callback Queue. If the Call Stack is empty, it will take the first event from the queue and will push it to the Call Stack, which effectively runs it. Such an iteration is called a tick in the Event Loop. Each event is just a function callback

The loop gives priority to the call stack, and it first processes everything it finds in the call stack, and once there’s nothing in there, it goes to pick up things in the message queue.

further read: eventloop

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