518086 - the selectedIndex with the disabled option in select tag is wrong

Status: RESOLVED DUPLICATE of bug 451200

(Firefox :: General, defect)

Description

[Jumper Chen]

User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 GTB5
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.1.3) Gecko/20090824 Firefox/3.5.3 GTB5

For example,

<select onchange='alert(this.selectedIndex)' size="1">
		<option disabled="disabled" selected="selected">One</option>
		<option>Two</option>
		<option>Three</option>
	</select>

Note: The bug only occurs in Firefox, not in others.


Reproducible: Always

Steps to Reproduce:
1.Open the dropdown list and hover over value "Two". Press ESC to cancel the selection.
Actual Results:  
You can get the selectedIndex with 1, rather than 0.

Expected Results:  
The selectedIndex should be 0.

Comment 1

[Jumper Chen]

Attachment: Test case

Comment 3

[Nickolay_Ponomarev]

Thanks for the clear report and the testcase by the way! When reporting bugs in the rendering engine (and not the UI), file them in product Core, component General instead of in Firefox:General. Bugs there have a higher chance of being seen by the right people.