JavaScript Event Loop Series: Building the Event...

I wrote this series because JavaScript has many "asynchronous" mechanisms (await, setTimeout, Promise, requestAnimationFrame) that look similar but behave very differently. At first, I assumed they were interchangeable but that assumption quickly broke when I started debugging: Why setTimeout(..., 0) doesn’t "run immediately" Why await pauses a function but doesn’t freeze the page Why DOM updates sometimes don’t show up when you expect Why some "async" code still blocks rendering These behaviour