jquery catch a first keypress only?

Question

I have this code:

 $j("#regfname").keypress(function () {
    alert('Handler for .keypress() called.');
});

and want to execute only once... or only for the first keypress ..what's the most optimal way to do it?

Answer 1

You can use the jQuery one() method to only execute the event once per element.

$j("#regfname").one("keypress", function () {
    alert('Handler for .keypress() called.');
});

Answer 2

You want to use the one function:

$j('#regfname').one('keypress', function(){...});