jquery将后台数据实时渲染在页面

html

 <dd><a href="javascript:void(0)" id="jumpa"></i>&nbsp;待办事项数：<span id="number"style="color:red;font-size: 12px;font-weight: bold;"></span></a></dd>

js

var value=data.data;
                var num = $("#number");   
                num.animate({count: value}, {   
                    duration: 3000, //持续时间  
                    step: function() {   
                      num.text(Math.round(this.count));   
                    }   
                });