Opinion: in HTML, Possible Duplicate IDs or Non-Standard Attributes?

Question

It seems pretty common to want to let your javascript know a particular dom node corresponds to a record in the database. So, how do you do it?

One way I\'ve seen t

Answer 1

Non-standard attributes are fine, if you're using XHTML and take the time to extend the DTD you're using to cover the new attributes. Personally, I'd just use a more unique id, like some of the other people have suggested.