What do you do if your site visitors have JavaScript disabled?

Question

What would you do if your site visitors disabled JavaScript? Do you block them?

Answer 1

Ideally, you would use progressive enhancement which entails guaranteeing a base user experience and then adding all the flourishes for browsers that can handle them.

Answer 2

you would degrade gracefully.

Answer 3

Indeed degrade gracefully. If that's not an option (anymore ;-)) then at least notify them with utilizing a <noscript> tag.