Best Resources for learning JavaScript in depth (for free)

Here are some of the links available freely on web which I found very useful for understanding the JavaScript in detail.

• Dmitry A. Soshnikov’s blog where he covers details of ECMAScript in 8 chapters http://jsmentors.com/Dmitry-A-Soshnikov.html
• Eloquent JavaScript, free book available in HTML perfect for beginners or revising the basics of language http://eloquentjavascript.net/
• Douglas Crockford’s video lectures on different tipics of javascript http://yuiblog.com/crockford/
• Mozilla Developer network JavaScript Guide https://developer.mozilla.org/en/JavaScript/Guide
• 24 JavaScript Best Practices for Beginners, article on NetTuts http://net.tutsplus.com/tutorials/javascript-ajax/24-javascript-best-practices-for-beginners/
• Nice article about Javascript functions http://kangax.github.com/nfe/
• The Basics of Object-Oriented JavaScript, artivle on NetTuts http://net.tutsplus.com/tutorials/javascript-ajax/the-basics-of-object-oriented-javascript/
• Essential JavaScript Design Patterns For Beginners (Looks great resource though i haven’t gone through it all)  http://addyosmani.com/resources/essentialjsdesignpatterns/book/
• What to Read to Get Up to Speed in JavaScript, great selection of books and blogs to follow http://blog.reybango.com/2010/12/15/what-to-read-to-get-up-to-speed-in-javascript/
  

UPDATES:

• JavaScript Closures for Dummies  http://web.archive.org/web/20080209105120/http://blog.morrisjohns.com/javascript_closures_for_dummies

Of-course there are other many great resources, I will update it as I come across other materials. Hope you also find it useful.