Kristof, you are right. This is not implemented in IE 7. However, Microsoft has implemented it in IE 8 Beta 2; that's what I tested in.
On Fri, Oct 24, 2008 at 12:52 PM, Kristof Zelechovski <[EMAIL PROTECTED] > wrote: > The official documentation for the disabled Property (BUTTON, INPUT > type=button, INPUT type=checkbox, > ...)<http://msdn.microsoft.com/en-us/library/ms533732%28VS.85%29.aspx>: > contains the following: > > *Note* For > OPTGROUP<http://msdn.microsoft.com/en-us/library/ms535876%28VS.85%29.aspx>and > OPTION <http://msdn.microsoft.com/en-us/library/ms535877%28VS.85%29.aspx>, > the functionality specified by the HTML 4.0<http://www.w3.org/tr/rec-html40/> > [image: World Wide Web link] standard is not currently implemented. You > can define your own functionality. > > > ------------------------------ > > *From:* [EMAIL PROTECTED] [mailto: > [EMAIL PROTECTED] *On Behalf Of *Weston Ruter > *Sent:* Friday, October 24, 2008 9:40 PM > *To:* [EMAIL PROTECTED] > *Cc:* Ian Hickson; Tab Atkins Jr.; Joao Eiras; Simon Pieters; Robert > *Subject:* Re: [whatwg] [WF2] <select required> > > > > I just realized that there is existing support for using a first OPTION as > a non-selectable hint value. Instead of this: > > <select> > <option value="[[invalid]]">Select one</option> > <option value="">None of these</option> > <option value="love it">Love It</option> > <option value="hate it">Hate It</option> > </select> > > > One may set two attributes, @disabled and @selected, on the first OPTION: > > <select> > <option disabled selected>Select one</option> > <option value="">None of these</option> > <option value="love it">Love It</option> > <option value="hate it">Hate It</option> > </select> > > > The behavior in browsers is that "Select one" is displayed as the value in > the drop-down, and in MSIE it's even grayed out. In Firefox and MSIE, since > the default selected option is disabled, it will not submit a value. In this > case, the option's @value makes no difference and can be an empty string or > any value at all. (Note that Firefox is a little buggy in that when clicking > on the select list, the shown selected option won't change but the value > submitted will change to the first non-disabled value.) Unfortunately, > Safari and Opera submit the disabled option, even though it cannot be > selected by hand. In IE and Firefox, once the one of the options is selected > by the user, they are unable to re-select the disabled option, as with > Safari and Opera. > > Here's a demo: > http://weston.ruter.net/projects/test-cases/html-select-element/ > > > >
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