How to make fun with any webpage to make your friend fool

hi friend 

i am again with a new cool trick 

with the help of this trick you can make changes in any page for fun 

this is a javascript trick 

so just open any webpage according to your own wish 

than paste the below code in address bar 

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

and press enter 

now all page is your 

you can change anything from that page  like this 

but its just for a fun it will finished when you will close broswer .

you have done enjoy

Cheers!!!!