Just For Fun Javascripts in Mozilla Firefox-Edit any websites

                                                     
In my last post , i gave you three javascript for mozilla. You can edit any websites by this javascript(don't think you are editing in server, you are just editing in mozilla only). You can change the homepage name to your name. whatever you like to do.

javascript:document.body.contentEditable='true';document.designMode='on';void 0

Visit any website
Paste the above code in the address bar
Hit enter 
Try to edit any text or link