February 2014
Intermediate to advanced
410 pages
8h 15m
English
Content preview from jQuery 2.0 Development CookbookBecome 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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Implementing input character restrictions
Until now, all of the recipes in this chapter have concentrated on input validation and providing appropriate feedback to the user. There are situations where it is better to simply prevent the user from inputting invalid characters in the first place. This method would not typically be used, because it can be confusing for some users; for example, if they are not being told why they cannot input %. A situation where this would work is a login form. If you know your registration system does not allow % in the username, you know that the user would be inputting % by mistake, and therefore preventing the input is acceptable. This recipe provides a method to prevent users from inputting non-alphanumeric characters ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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.