A small curation of useful links for learning JavaScript at any skill level.
Some useful sources of more articles and resources:
- Learn JavaScript at Codecademy
- Learn JavaScript at LearnJS
- A re-introduction to JavaScript - great article on MDN, although it is getting a bit old and is flagged as needing a technical review
- JavaScript Fundamentals
- JavaScript Allongé - a book about programming JavaScript with functions, covers some of the basics of the language too, free to read online
- Learning Advanced JavaScript - a great tutorial focused around functions in JavaScript
I recommend the book from Douglas Crockford: JavaScript: The Good Parts.
And Eloquent JavaScript http://eloquentjavascript.net/contents.html