<ul class = "exam"> <li><p><a class='up fright'>上移</a><a class='dwn fright'>下移</a><a class='delete fright'>删除</a></p></li> <li><p><a class='up fright'>上移</a><a class='dwn fright'>下移</a><a class='delete fright'>删除</a></p></li> <li><p><a class='up fright'>上移</a><a class='dwn fright'>下移</a><a class='delete fright'>删除</a></p></li> <li><p><a class='up fright'>上移</a><a class='dwn fright'>下移</a><a class='delete fright'>删除</a></p></li> <li><p><a class='up fright'>上移</a><a class='dwn fright'>下移</a><a class='delete fright'>删除</a></p></li> <li><p><a class='up fright'>上移</a><a class='dwn fright'>下移</a><a class='delete fright'>删除</a></p></li> <li><p><a class='up fright'>上移</a><a class='dwn fright'>下移</a><a class='delete fright'>删除</a></p></li> </ul> <script> $("ul li a.up").click(function(){ var $li = $(this).parent().parent(); if($li.prev().size()>0){ $li.prev().before($li) } }); $("ul li a.dwn").click(function(){ var $li = $(this).parent().parent(); if($li.next().size()>0){ $li.next().after($li) } }); $("ul li a.delete").click(function(){ $(this).parent().parent().remove(); }); </script>
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