[Webkit-unassigned] [Bug 23300] Selection functions should throw exceptions when used on buttons

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=23300





------- Comment #3 from ager at chromium.org  2009-01-13 13:11 PDT -------
(In reply to comment #2)
> Are there any known sites that require this?

Not that I know of, no.

As far as I can tell, we have tried to be compatible with Firefox here. The
selection-function test seemed to pass on Firefox but only because it throws
exceptions along the way.

I like the fact that this gets rid of the custom getOwnPropertySlot
implementation.  Come to think of it, that custom implementation will get in
the way of changes to setSelectionRange on buttons:

  HTMLInputElement.prototype.setSelectionRange = function(){};
  var b = document.getElementById("button");
  b.setSelectionRange;   // <--- undefined

Also, returning undefined will probably lead to exceptions throw in the code
anyway since people will most likely try to call the function or use the value
of the attributes?


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