July 2012
Intermediate to advanced
976 pages
25h 7m
English
Content preview from JavaScript The Complete Reference, 3rd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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CHAPTER 13Form Handling
One of the most common uses of JavaScript is for checking the contents of forms before sending them to server-side programs. Commonly known as form validation, this use of JavaScript was actually one of the original driving forces behind the development of the language and, as a result, many of the techniques presented in this chapter will work in even the oldest JavaScript implementations. However, progress has been made in this ancient application of script code because HTML5 improves our possibilities. Throughout the chapter, we will also remind readers that, while the script syntax of this common use of JavaScript may be simple, it is consistently misapplied. To address this trend, we will try to present many execution ...
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.