Jquery attr('src') undefined in IE 8 (works in FF)

Question

This has gotten so far,that I will sum up what we found out:

• Inside the event handler the attribute src cannot be read in IE8 (FF works fine), neither with

Answer 1

the problem is not in the attr('src') but in something else. The following snippet works in IE8:

But if you for example change the the text/javascript to application/javascript - this code will work in FF but will not work in IE8