easyUI~Tooltip prompt box

When the user moves the mouse pointer over an element, a tooltip window appears to display additional information.

Html code

<span class="easyui-tooltip" data-options="content:function(){return tishi_div(this)}">
                  <img id="" src="../images/children_age.png"/>
                         <div class="" style="display: none;">
                             <div style="width: 350px;background-color: #FFFFCC;height: auto;">
                                 <div class="caissa-title12">
                                      <span class="caissa-lf">
                                         <!-- <img src="../images/u2304.png" height="35px" width="35px"/> -->
                                         <font color="blue">库存提醒</font>
                                     </span> 
                                </div>
                                <div>实询产品，当设置库存超出机票库存时，以机票资源库存为准。线下产品，已设置库存为准</div>
                             </div>
                         </div>
                   </span>

JS method

   function tishi_div(obj){
        var str = $(obj).children("div").html();
        return $(obj).children("div").html();
    }