What are valid id and name attribute values in HTML?

Asked Aug 07 '13 at 04:21

Active Aug 07 '13 at 04:24

Viewed 67 times

Recently I ran into a problem with HTML that took me a while to figure out. HTML is not case sensitive, but it turns out that the values of id and name attributes are case sensitive.

This made me wonder what else do I need to know. Are there any other rules about id and name values?

asked Aug 07 '13 at 04:21

because `Javascript and Jquery` is case sensitive – Amit Aug 07 '13 at 04:23
3

Depends on the version of HTML, but the place to look is in the relevant docs: http://www.w3.org/TR/html51/dom.html#the-id-attribute – nbrooks Aug 07 '13 at 04:23
Tag names and attributes are not case sensitive, attribute *values* are. – Wesley Murch Aug 07 '13 at 04:24

What are valid id and name attribute values in HTML?

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