VisualEditor: 'mozMatchesSelector' called on an object that does not implement interface when launching VE
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	kaldari
	Jan 27 2014, 11:14 PM

Description

When launching VE in Firefox, it throws the following error:
'mozMatchesSelector' called on an object that does not implement interface

Happens on beta labs and local master.

Version: unspecified
Severity: trivial

• bzimport raised the priority of this task from to Needs Triage.Nov 22 2014, 3:07 AM

• bzimport set Reference to bz60504.

Happens in Firefox 26 and latest nightly build.

Although it's not that helpful for debugging, the error is thrown from line 5303 of jquery.js:
var ret = matches.call( elem, expr );

Actually, it's not a JS error, but a breakpoint being triggered in Firebug.

Can't reproduce this now (Firefox 33.1 with Firebug)…