Why do Promises execute before setTimeout callbacks?
Promise callbacks enter the Microtask Queue, which is processed before the Callback Queue where timer callbacks wait.
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More FAQs in What Is Event Loop in Node.js?
The Event Loop is a mechanism that manages asynchronous operations by moving completed tasks to the Call Stack when JavaScript is ready to execute them.
The Event Loop allows Node.js to perform non-blocking operations and efficiently handle many concurrent requests.
JavaScript execution in Node.js is single-threaded, but asynchronous operations are handled outside the Call Stack using Node.js APIs and the Event Loop.
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