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 ...

Once we coded applications that stood alone or were tightly coupled to specific servers. Now we’re writing applications that are loosely coupled, with app and browser front ends connected to ...

This JavaScript thing might just catch on. The world's most popular programming language is starting to look like a real programming language, with classes, modules, promises and more. There's even a ...

Are you confused by promises? Perhaps 94 pages is all it takes to be unconfused. Promises is a way of simplifying asynchronous behaviour in JavaScript but, and here is the paradox, many programmers ...