Disabling scroll functionality

Hello
I have large document, (it has a scroll). I want make this: after click on document, disable scroll functionality. please tell how to make this?

Hello
I have large document, (it has a scroll). I want make this: after click on document, disable scroll functionality. please tell how to make this?

body{overflow: hidden;}

But why do you want to do this? It is never a good idea to interfere with the user's browser.

Six out of the Queen's winners have gone on to win Wimbleodn, that's 6 over 33 divided by 100 if you want the percentage, probably about 60 per cent I'd say. - Presenter, BBC Radio 1.