Firefox 4 Issue with jQuery UI Sortable

Question

After upgrading from Firefox 3.6 to FF4 i was surprised to see that jQuery UI Sortable has stopped working (I am using jQuery (1.4.2) with jQuery UI (1.8.5)) and i get this err

Answer 1

Hello mtlgray: I've just tested jQueryUI Sortable demo with my Firefox 4.0 and it works OK.

Maybe your problem is caused by some misconfiguration in your project. Please give a try to FireQuery (for Firebug), perhaps it helps you to find out the cause.