December 1999
Intermediate to advanced
95 pages
2h 34m
English
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Name
<optgroup> — NN 2, 3, 4 • MSIE: 2, 3, 4, 5 • HTML 4 • WebTV • Opera3
Synopsis
<optgroup>...</optgroup>
Within the <select> form element, this tag
defines a logical group of <option> tags.
This could be used by browsers to display hierarchical cascading
menus. <optgroup> tags cannot be nested.
Attributes
label=textSpecifies the label for the option group (required).
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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.