There has been added a lot of new features to the browser, but the core language (EcmaScript) has not evolved much for a while.

* Overview: https://rawgithub.com/whatwg/html-differences/master/Overvie...

The next thing is JavaScript "next" or Ecma Script 6

* http://wiki.ecmascript.org/doku.php?id=harmony:proposals

You can use Traceur if you want to try out ES6 features today More info: https://github.com/google/traceur-compiler

These days there is a lot of things going on in the tooling section

Build: * Grunt: http://gruntjs.com/ - a lot of grunt- tasks at http://npmjs.org/ * Newest kid in town: https://github.com/gulpjs/gulp

Modulization and dependency management: * http://en.wikipedia.org/wiki/CommonJS * http://browserify.org/

JavaScript Spessore, by Reginald Braithwaite:

https://leanpub.com/javascript-spessore

Thank you, although please note that "JavaScript Spessore" is (a) a work-in-progress, and (b) about "Thinking in objects" more than "The idiomatic way to program in JavaScript.