How do I provide alternate or default site if iframe src is not available?

[Chandra]

If a iframe src link is not available, how can i provide a default
site or alternate site for the iframe to use?

[Darko]

On Mar 7, 7:52 am, "Chandra" <[e-mail]:

If a iframe src link is not available, how can i provide a default
site or alternate site for the iframe to use?

You can't, really, in HTML. The only thing you could maybe do is have
an element in your iframe document, that you'll search for on load,
and if it is not available or any other problem occurs, you change its
location to another.