November 2011
Intermediate to advanced
384 pages
13h 23m
English
Content preview from HTML5: Your visual blueprint™ for designing rich web pages and applications
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RESTRICT INPUT VALUES USING PATTERN MATCHING
You can use the pattern matching attribute, new in HTML5, to restrict input fields to values that follow a custom formatting pattern you define. This is useful if you need to ensure that the user submits correctly formatted values; otherwise display a message to the user and stops the form submission process.
<input type='text' ... pattern='pattern' title='title'>
The type attribute can be a text-based input type, such as text, number, telephone, and search. The pattern variable represents a regular expression syntax that defines the format of acceptable values that can be submitted by the user. A regular expression allows you to restrict values to very specific, finely tuned formats. Because different ...
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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.