Promise vs setTimeout Explained in 20 Seconds! ⚡🔥 #JavaScriptInterview #JavaScriptTips #WebDev

Promise vs setTimeout Explained in 20 Seconds! ⚡🔥 #JavaScriptInterview #JavaScriptTips #WebDev

Javascript Interview Question🔥 | Promises, SetTimeout #shorts #javascript #viral

👉 Promise:
A Promise in JavaScript represents a value that may be available now, later, or never.

It helps handle asynchronous operations using .then(), .catch(), and .finally() methods.

👉 setTimeout:
setTimeout() schedules a function to run after a specified delay in milliseconds.

It doesn’t block code execution — the rest of the program continues to run while waiting.

👉 Event Loop:
The event loop constantly checks the call stack and callback queue to manage asynchronous tasks.

It ensures non-blocking behavior by pushing queued callbacks to the stack when it’s empty.

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