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I have a very simple function here:
$('#input').keydown( function(e) {
if( $(this).length === 8 ) { alert('We have a winner!'); }
else { return false; }
});
It does not work. Why? Any help much appreciated.
Assuming you want to check the length of the value of
#input, then you want:Instead of
$(this).length. You also may want to get rid of thereturn false;as that could prevent anything from being entered into the input field.See an updated fiddle here.
On a separate note, this will only work when there are already 8 characters in the field, and another key is pressed. That may be the way you intended it, but I think you may want the
keyupevent instead.