A lightning-fast crash course on JavaScript, the world’s most popular programming language. From its 1995 origins as Mocha in Netscape to powering front-end apps, Node.js servers, mobile apps, and ...

Developers use JavaScript promises to model asynchronous operations in web and server-side programs. Here's a quick look at five ways to use promises in your code. Promises are a central mechanism for ...

JavaScript could be the most widely used programming language in the world, but for many developers, its modern version looks very different from what they first learned. With the advent of ECMAScript ...

Say that you're developing an tool that let's users customize it via JavaScript. Some of the common functions that will be called from the scripts are fundamentally asynchronous - they ultimately are ...