Access event to call preventdefault from custom function originating from onclick attribute of tag

Question

I have links like this:

click
c         


        

Answer 1

The simplest solution simply is:

click

It's actually a good way of doing cache busting for documents with a fallback for no JS enabled browsers (no cache busting if no JS)

If JavaScript is enabled, it opens the PDF with a cache busting query string, if not it just opens the PDF.