jquery之遍历展示title

  //遍历展示title

{field:'couponsList',title:'优惠劵类型',width:250,align:'center',sortable:true,
               formatter:function(value){
                   if(value.length>0){
                       var title ='';
                       for(var i=0;i<value.length;i++){
                           title = title + value[i].couponTypeName + '、';
                       }
                           title = title.substring(0,title.length-1);
                       return title ;
                   }else{
                       return '暂无';
                   }
               }
       },

    {field:'shareUserAmount',title:'分享者金额',width:250,align:'center',sortable:true,
               formatter:function(value){
                   return    value +'元/人'
               }
       },