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Possible Duplicate:
Can I just make up attributes on my HTML tags?
Hi,
I am not sure if what I am asking is even possible, but I’d like to be able to add a custom (nonrendered) propery to an existing HTML DOM node.
For example, if I have a simple DOM as below:
<body>
<p>
<span id="aSpan"></span>
</p>
</body>
.. I’d like to be able to add a custom property to the span ‘aSpan’ to store a numeric variable.
Is this possible and if so, what is the best way to do it?
Thanks,
Sure, I do this all the time. You can do it in the html:
<span id="aSpan" attname="attvalue">(validators don’t like this though, technically it’s not valid html but it works)
Or via javascript:
element.setAttribute('attname', 'attvalue');You can read it with:
element.getAttribute('attname');