Classes [^2] are the major new OOP feature in ECMAScript 6 [^1]. However, it also includes new features for object literals and new utility methods in Object. This blog post describes them.

What is the best way to add new features to a language? This blog post describes the approach taken by ECMAScript 6 [^3], the next version of JavaScript. It is called One JavaScript, because it avoids versioning.

This blog post explains the ECMAScript 6 (ES6) feature proxies. Proxies enable you to intercept and customize operations performed on objects (such as getting properties). They are a meta programming feature.

Update 2014-11-18: Facebook Flow has been released as open source. Its website is flowtype.org. The site mentions plans for Flow’s future.

This blog post looks at three initiatives for adding static typing to JavaScript: Microsoft’s TypeScript, Facebook’s Flow and Google’s AtScript.

This blog post is an introduction to asynchronous programming via promises in general and the ECMAScript 6 (ES6) promise API in particular. It is second in a series of two posts – part one explains foundations of asynchronous programming (which you may need to learn in order to fully understand this post).

This blog post explains foundations of asynchronous programming in JavaScript. It is first in a series of two posts and prepares you for part two, which covers promises and the ECMAScript 6 promise API.

At the end of July 2014, TC39 [^1] had another meeting, during which the last details of the ECMAScript 6 (ES6) module syntax were finalized. This blog post gives an overview of the complete ES6 module system.

Update 2014-09-05: Jeff Atwood renames “Standard Markdown” to “Common Markdown” and apologizes to John Gruber. Details: “Standard Markdown is now Common Markdown”.

On September 3, Jeff Atwood announced a new standardization effort for John Gruber’s Markdown: Standard Markdown.

In some cases, using a function (or method) with a callback can lead to surprising results – if the signature of the latter does not match the expectations of the former. This blog post explains this phenomenon and suggests fixes.