Though I already understand the concept of data types, conditionals, and loops, I was comforted to know that this was coming from a designer's perspective, rather than a programmer's who compared JavaScript to C or Java. but I still app A great start for beginners. Of course, now I've read HTML 5.1 offers this feature now. In particular, Chapter 5 was the most useful to me in that it offered a common example of using JavaScript within a web document to toggle visibility of text via 'Read More'.