What can we do in jsp that we can't do using html,css etc ?

Answer 1

Means --
Supppse, You set your html page's body background color in Black which is not changable by User who will view it. Only you can change it.
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By coding in JS,
you can give user the opportunity to change it as he/she wish to.. ^_^
That's why it will be lively for the users

Answer 2

You can turn your static page into dynamic version. ^_^
I mean so lively.

Answer 3

so lively means?

Answer 4

you can make apps With JavaScript

Answer 5

i m talking about jsp not js