<div id="aid"></div> 

<div id="aid"></div> 

<div id="aid"></div> 

<div id="aid"></div> 

<div id="stop">Stop here</div> 

<div id="aid"></div> 

<div id="aid"></div> 

<div id="aid"></div> 

function a() {

      $('div').each(function () {

        var that = $(this);

        var id = that.attr('id');

        b(id, that)

      })

    } 

function b(aId,that) {

      $.ajax({

        url: 'ajaxHandler.ashx',

        data: { aid: aid },

        dataType: 'text',

        type: 'post',

        async: true,

        success: function (data) {

          var content = '';

          if (data == 'true') {

            content = "正确";

          } else {

            content = "错误";

          }

          that.html(content);

        }

      })

    }