November 2013
Intermediate to advanced
148 pages
2h 55m
English
Content preview from Mastering HTML5 Forms
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Error messages
Nowadays, all modern browsers support most of the features of HTML5. The functionality of the features is the same in all browsers but there are some differences; one of which is the default error message that the browser, displays.
Some of the default error messages displayed by various browsers are shown in the following screenshot:
However, we can change the default error message of the browser with the help of setCustomvalidity. Let us understand this with an example.
The following code changes the default error message of a browser to a custom message:
<script> function check() { varhtmlObject=document.getElementById("input"); if ...Become 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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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.