340429 - cloneNode fails to clone non-xhtml attributes

Status: RESOLVED DUPLICATE of bug 50533

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

Description

[Brad]

User-Agent:       Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727)
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.4) Gecko/20060508 Firefox/1.5.0.4

I am using HTML elements on the page as objects, assigning them custom attributes, and referencing them in my script. Such as a DIV element, I am setting an ORDER to it. So div.order = 5

This all works fine and dandy till I attempt to do cloneNode(true) to copy the element. The custom fields I created are not cloned to the new element. This works properly in MSIE.

var a = document.createElement("DIV")
a.order = 50;
alert(a.order);
b = a.cloneNode(true);
alert(b.order);

a.order is defined, but b.order is undefined

Reproducible: Always

Steps to Reproduce:
var a = document.createElement("DIV")
a.order = 50;
alert(a.order);
b = a.cloneNode(true);
alert(b.order);
Actual Results:  
The custom attributes are undefined.

Expected Results:  
The custom attributes should be defined.

cloneNode is supposed to make it clone the node, so this really should be adapted, quickly. This just totaly ruined everthing I coded for weeks using MSIE, expecting to be able to Xfer my code to FF with minor changes. But this makes it virtually impossible to do as I wanted, without MAJOR implications.

NOTE:
If you set the attributes using setAttribute and getAttribute it works as intended. But if you set it using the . operator they are not copied. So obviously this is just something that was simply overlooked.

Comment 1

[Ryan Jones-Ward [:sciguyryan]]

Attachment: Testcase

Testcase from authors comment.

Comment 2

[Erik Fabert]

*** This bug has been marked as a duplicate of 50533 ***