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ECMAScript 6 reached feature complete status in 2014. The features vary widely from completely new objects and patterns to syntax changes to new methods on existing objects.

ECMAScript 6 reached feature complete status in 2014. The features vary widely from completely new objects and patterns to syntax changes to new methods on existing objects. For a full list of what's changed, visit ES6-features.org.

The JavaScript core language features are defined in a standard called ECMA-262. The language defined in this standard is called ECMAScript, of which the JavaScript in the browser and Node.js environments are a superset.

Code Language (used for syntax highlighting): lang-js