JavaScript is the most in-demand programming language for developer jobs and one of the most versatile languages for full-stack development. Here's what you need to know about JavaScript.

Use popular 'grammar of data' syntax to filter and subset your two-dimensional JavaScript arrays and more. Here's how to use Arquero for data wrangling in Observable JavaScript and Node.js.

TypeScript is a new language that's based on JavaScript, and which compiles to JavaScript, but which, Microsoft argues, is better suited to the development of "large" applications.

Prism is a slick new JavaScript library that adds a very attractive syntax highlighter to any website with a mere 1.5KB (minified & gzipped) of extra bandwidth. Even if you're happy with Pygments ...

Microsoft announced an ambitious project to inject type syntax into ECMAScript, the official JavaScript standard. While that might sound an awful lot like TypeScript, it's different. The company is ...