html：

<div style="height:50px;overflow:hidden;font-size: 14px;font-weight: bold;">

    <ul class="line">         <li style="line-height:25px;">             <span class="glyphicon glyphicon-hand-right"></span>             <span style="color:red;">最新播报1</span>&nbsp;&nbsp;             <span style="color:#5CB85C;">test1</span>             <span class="glyphicon glyphicon-hand-right"></span>             <span style="color:red;">最新播报2</span>&nbsp;&nbsp;             <span style="color:#5CB85C;">test2</span>             <span class="glyphicon glyphicon-hand-right"></span>             <span style="color:red;">最新播报3</span>&nbsp;&nbsp;             <span style="color:#5CB85C;">test3</span>         </li>     </ul> </div>

script：

<script>

    $(function(){         var _wrap=$('ul.line');         var _interval=2000;         var _moving;         _wrap.hover(function(){             clearInterval(_moving);         },function(){             _moving=setInterval(function(){                 var _field=_wrap.find('li:first');                 var _h=_field.height();                 _field.animate({marginTop:-_h+'px'},600,function(){                     _field.css('marginTop',0).appendTo(_wrap);                 })             },_interval);         }).trigger('mouseleave');     }); </script>