how is create masked Input with jQuery?

hos can create masked Input for date and time by jQuery? i not want use of plugin.

like:    
date-> ____/__/__ & time-> __:__
date-开发者_如何学Go> text-algin: right;
time-> text-algin: left;

Try this one: http://digitalbush.com/projects/masked-input-plugin/

Works well, have used it in the past.

You can 'see how it's done' and take what you need... but that's a bit pointless :)