Detect which form input has focus using JavaScript or jQuery

Question

How do you detect which form input has focus using JavaScript or jQuery?

From within a function I want to be able to determine which form input has focus. I\'d like

Answer 1

Otherwise, you could use the onfocus and onblur events.

something like:

and then have something like this in your javascript

if (txtfocus==1)
{
//Whatever code you want to run
}

if (txtfocus==0)
{
//Something else here
}

But that would just be my way of doing it, and it might not be extremely practical if you have, say 10 inputs :)