[dusklight]

Reading Refactoring by Martin Fowler helped me a lot. The examples are in Java but many of the concepts apply across all languages. However I would say the examples makes the most sense for statically typed languages. I wonder if anyone knows of a book that covers the concepts in Refactoring but with examples in a dynamically typed language like javascript?

[kbp]

I haven't read it, but the second edition of that book used Javascript for the examples.

[tomstoms]

The second edition, which was just recently published, has all examples in JavaScript.