470341 - deleteAttribute("size") on <select size="1"> does not revert list box to combo-box

Status: RESOLVED INVALID

(Core :: DOM: Core & HTML, defect)

Description

[rektide]

User-Agent:       Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.8.1.16) Gecko/20080716 Firefox/2.0.0.16
Build Identifier: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.8.1.16) Gecko/20080716 Firefox/2.0.0.16

Deleting the size attribute of a SELECT does not revert the listbox to a combobox.

Since some web frameworks (including JSF) always append a size="1", dom manipulation of the size attribute would be the only work-around to [ this bug https://bugzilla.mozilla.org/show_bug.cgi?id=470338 ].  However there appears to be no DOM way to change a select between list and combo state.

Reproducible: Always

Steps to Reproduce:
<select id="state" size="1">
<option>AL</option><option>AK</option><option>AS</option>
</select>
<script type="text/javascript">
//<![CDATA[
document.getElementById("state").deleteAttribute("size");
//]]>
</script>

Actual Results:  
Javascript does nothing

Expected Results:  
DOM manipulation turns listbox SELECT into a combo/menubox SELECT.

https://bugzilla.mozilla.org/show_bug.cgi?id=470338 relates to a <SELECT size="1"/> rendering as a un-usable listbox, prompting me to need this workaround.  However I dont see why DOM manipulation shouldnt allow a <SELECT> box to change between list & combo state.

Comment 1

[rektide]

similarly, 
document.getElementById("state").size= 0;
document.getElementById("state").size= null;
do not alter the state of the SELECT.

Comment 2

[Jesse Ruderman]

There is no "deleteAttribute" method.  Try removeAttribute?

Comment 3

[:Ms2ger (he/him; ⌚ UTC+1/+2)]

As Jesse said, there is no deleteAttribute. Some testing doesn't seem to reveal the bug you're mentioning. If there is still a bug in Firefox 4, please reopen and provide a test case.