Philip TAYLOR (Webmaster, Ret'd) wrote:
What I am looking for is an attribute to <IMG> (and possibly, but far
less likely, to other tags) the value of which will be disclosed
to the consumer by a tool-tip-like pop-up when the user mouses
over the image (or whatever). "title" appears to have the desired
effect (in Seamonkey, at least)
This is exactly the right attribute, supported by many (all relevant?)
tags and clients (browsers).
but this behaviour doesn't seem
to be mandated by the normative versions of the specification
(HTML 4.01), although it is described in the non-normative part
I won't dig into the spec right now, but I'm sure my above statement is
correct regarding real-world use.
do others know how widely this behaviour is supported, and is
it therefore reasonably safe to rely on it ?
It is widely supported and safe to use.
I what "title" gives you doesn't suit you, I recommend some JS-based
approach like Overlib which allows you to specify exactly how the
tooltip should look like (using HTML and CSS) without having to bother
about the actual implementation (cross-browser support).
HTH
Jens
--
Jens Hatlak <http://jens.hatlak.de/>
SeaMonkey Trunk Tracker <http://smtt.blogspot.com/>
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