Hi there! Maybe I missed smt, but seems like this is a bug:
<div id="#xxx">xxx</div> <div id="#yyy">yyy</div> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript"> var e1 = document.getElementById('yyy'), e2 = document.getElementById('xxx'), $e = $(e1); alert($e.length); $e.add(e2); // or $e = $e.add(e2); alert($e.length); </script>