When building web pages or apps, you will often encounter the two terms async and await in JavaScript. These are terms ...

Events are the first place you are likely to meet asynchronous functions, but once you have events and an event dispatching system you can't stop there. Any long running function has to be implemented ...

Asynchronous code (async code) says: go do something while I do other things, then let me know what happened when the results are ready. Also known as concurrency, async is important in a variety of ...

Callbacks are references to executable code that higher levels of software pass into a function. These callbacks have the ability to greatly increase the portability and reuse of embedded software, ...