Promises, handlers, and chains are foundations of modern JavaScript, but they can be tricky. Here are four common traps to ...

Its purpose is to let developers test if a JavaScript object is a "Promise," with the function returning a boolean result of yes or no when used in production. Despite being just two lines of code ...

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 ...

Even more interesting for developers, however, is likely the upcoming addition of JavaScript Promises to IE. By default, JavaScript is single-threaded, so you can only run one script at a time.

Last night, Apple's WebKit group announced the new SquirrelFish Extreme, a major new retooling of the SquirrelFish JavaScript engine originally announced in June. The update comes before ...