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Having some code like this one

$a = $('#a');
$b = $('#b');
$c = $('#c');

$('#a, #b, #c').keyup(function () {
    //Event handling
});

I would like to know

  1. If it is possible to use existing cached elements to handle events instead of the selector.
  2. If this is possible and proper, does it make any difference?
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    Sure, $a.add($b).add($c).keyup( ... Commented Jun 27, 2014 at 20:12

1 Answer 1

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Of course, using cached elements is better for performance. If you want to bind a function on multiple cached elements, you can use .add() :

$a.add($b).add($c).keyup(function(){});
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