Edit any website with a java Script, anyone can do this

Silly #hack

Here code  

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

Copy it as it is and go to any website just paste to url of site

for example , in above screenshot i renovate facebook.com, 

# Just go to url delete first www.facebook.com and paste the code and hit enter 

# Then go to below line Sign up , select it and try to delete and write whatever you want and say your friends you hacked the facebook.com , nut actually its not hacked.

# Just press Printsc Sys Req button of your keyboard and go to paint and press ctrl+v to paste and save it and share it with your circle in facebook.