How to prevent user from typing in text field without disabling the field?

Question

I tried:

$(\'input\').keyup(function() {

   $(this).attr(\'val\', \'\');

});

but it removes the entered text slightly after a letter is enter

Answer 1

Markup

Script

function preventInput(evnt) {
//Checked In IE9,Chrome,FireFox
if (evnt.which != 9) evnt.preventDefault();}