How the JavaScript Event Loop Works

JSConf · Talk · YouTube title: What the heck is the event loop anyway? | Philip Roberts | JSConf EU

Why it's here

HN commenters repeatedly name it as the best explanation of the JS event loop and the first thing to watch before tackling async code.

What it covers

Philip Roberts explains the JavaScript event loop, call stack, callbacks and asynchronous behavior with live visualizations using a tool he built. It demystifies terms like non-blocking and single-threaded.