July 2008
Beginner
192 pages
4h 41m
English
Content preview from FBML EssentialsBecome 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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Name
<fb:if/>
Synopsis
<fb:if>...<fb:else>...</fb:else></fb:if>
Renders the content within the tags only if the value is equal
to true. If the value is set to
false, nothing is returned. For this tag to be
useful, some external programming is necessary to set the content of
the value either to true or
false.
FBML-Specific Attributes
Required
None.
Optional
value=[true|false] default: falseReturns the content within the tags unless
value="false".
Example FBML
Here is example FBML code for
<fb:if/>:
<fb:if value="true"> Display some content here </fb:if>
Rendered HTML for Single Instance of Tag
If the value attribute is set to
true, the rendered HTML looks like this:
Display some content here
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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.