Is it okay to add id/class to <link> tag?

Question

Is it okay to do this?

so I can use JavaScript to d

Answer 1

Yes. There are certain attributes that may be specified on every html element. id and class are among them.

For a complete list in the html5 spec: http://developers.whatwg.org/elements.html#global-attributes

The spec for the link element: http://developers.whatwg.org/semantics.html#the-link-element

And in html4.1: http://www.w3.org/TR/html401/struct/links.html#h-12.3