How can I test whether input has focus in an if structure?
<p>I've got this code here now, but the alerts still come up after you click on the input, when it doesn't have focus. I would like to get rid of the click function too, if possible, so that it only alerts when the input has focus.</p>

<pre><code>$('#inputSize').click(function(){
    if ($('#inputSize').is(':focus')){
        $(document).keydown(function(e){
            if (e.keyCode == 38) { 
               alert( "up pressed" );
               return false;
            }
                if (e.keyCode == 40) { 
               alert( "down pressed" );
               return false;
            }
        });
    }
});
</code></pre>

<p>Thanks!</p>
