<script type="text/javascript"> $(document).ready(function(){ $('#target').bind('change', function() { var linkurl = $('#target').val(); $('#link').attr({href:linkurl}); }); }); </script> <select id="target"> <option value="http://yahoo.co.jp">ヤフー</option> <option value="http://google.co.jp">グーグル</option> </select> <a href="" id="link">ジャンプ</a>

