1102054 - NoModificationAllowedError: Modifications are not allowed for this document

Status: RESOLVED INCOMPLETE

(Firefox :: Untriaged, defect)

Description

[pest93]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:33.0) Gecko/20100101 Firefox/33.0
Build ID: 20141113143407

Steps to reproduce:

I wanted to change pseudo selector ::after looking for a this article http://davidwalsh.name/pseudo-element.  

My code: 
var x= 1;
   $(window).scroll(function () {
   	x += 1;
   	window.getComputedStyle(document.querySelector('.overall'), ':before').setProperty('bottom' , x+'px')
   }); 


Actual results:

Firebug displays this error: NoModificationAllowedError: Modifications are not allowed for this document


Expected results:

Pseudo selector's propertu must be changing.

Comment 1

[:Gijs (he/him)]

Your testcase is incomplete - in what content are you running this? i.e. what is '.overall' and does the pseudoelement exist already or not? Please provide a complete testcase.

Comment 2

[ovidiu boca[:Ovidiu]]

Based of lack of information from the reporter this bug will have the Status: Resolved as incomplete.
If you want to add more info that can help to understand this bug please reopen it.