Good form

Good form

Hi,

A question about form handling if I may. Consider the following code sample:
  1. $('input').focus(function() {
  2.         var f = document.form;
  3.         if (f.foo.value && f.oof.value)
  4.                 doThis();
  5.         /* jQuery
  6.         if ($('input[name=foo]').val() && $('input[name=oof]').val())
  7.                 doThis();
  8.         */
  9. });
The traditional code IMO is easier to read and type. What is considered good practice in such cases?

Thanks,
Roy