ipython notebook requires javascript - on firefox web browser
javascript has to be enabled in firefox browser it is turned off. to turn it on do this

To enable JavaScript for Mozilla Firefox: Click the Tools drop-down menu and select Options. Check the boxes next to Block pop-up windows, Load images automatically, and Enable JavaScript. Refresh your browser by right-clicking anywhere on the page and selecting Reload, or by using the Reload button in the toolbar.
I'm trying to run jupyter notebook from a terminal on Xfce Ubuntu machine. 
I typed in the command:
jupyter notebook --browser=firefox
The firefox browser opens, but it is empty and with the following error:
"IPython Notebook requires JavaScript. Please enable it to proceed."
I searched the web on how to enable JavaScript on Ipython NoteBook but didn't find an answer. I would appreciate a lot any help. Thanks!