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Keep most recent but don't delete original option
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| <body> | |
| <select id="teste"> | |
| <option>item 1</option> | |
| <option>item 2</option> | |
| <option>item 3</option> | |
| <option>item 4</option> | |
| </select> | |
| <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.1/jquery.min.js" type="text/javascript" charset="utf-8"></script> | |
| <script type="text/javascript" charset="utf-8"> | |
| $(document).ready(function() | |
| { | |
| $("#teste").change(function(o){ | |
| var selected = $(this).find("option:selected"); | |
| var mostrecent = $(this).find("optgroup#mostrecent"); | |
| if (mostrecent.length == 0) | |
| { | |
| mostrecent = $("<optgroup label='Mais recentes' id='mostrecent'/>"); | |
| $(this).prepend(mostrecent); | |
| } | |
| if (selected.parent().get(0).id == "mostrecent") return; | |
| mostrecent.prepend(selected.clone()); | |
| }); | |
| }); | |
| </script> | |
| </body> |
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