/**
 * ajax 请求顺序如下：
 *  before -> success/error -> always
 *  pending 出现在服务端接受request后，还未response的时候
 *  所有回调的this都指向form表单
 */

$('.form-ajaxSubmit').IUI('ajaxForm',{
  before:function(event,config){
    // this => $form
    // return false can prevent submit
    mark('trigger before callback');
  },
  success:function(response,config){
    // this => $form
    mark('trigger success callback');
  },
  pending:function(config){
    // this => $form
    mark('trigger pending callback');
  },
  error:function(error,config){
    // this => $form
    mark('trigger error callback');
  },
  always:function(response,config){
    // this => $form
    mark('trigger alway callback');
  }
});