I would like to create an on the page, but then add the src later. If I make an iframe without an src attribute, then it lo
src
IMO: if you don't put the src, your page won't validate. But's about it. If you put a src="", your server will log many 404 errors.
Nothing is really wrong as in "damaging". But then, is it actually not wrong to use an iframe in itself?
°-