详解闭包解决jQuery中AJAX的外部变量问题

 function getCarInfo(){
      for(var i=0;i<4;i++){

        var carId = $("#carList0"+i+" #carId").val();
        var request = { 
          city: city,
          carId: carId
        };

        $.ajax({
           url:"enquiry",
          type:'post',
          data:request,
          //async: false,
          success:function(data){
            //alert(data);
            var strArr = data.split("#");
            $("#carList0"+i+" #distributorId").val(strArr[0]);
            $("#carList0"+i+" #font16").html(strArr[strArr.length-1]);
          }
        });

      }
    }

    function getCarInfo(){
      for(var i=0;i<4;i++){
      ((function(i){
        var carId = $("#carList0"+i+" #carId").val();
        var request = { 
          city: city,
          carId: carId
        };

        $.ajax({
           url:"enquiry",
          type:'post',
          data:request,
          //async: false,
          success:function(data){
            //alert(data);
            var strArr = data.split("#");
            $("#carList0"+i+" #distributorId").val(strArr[0]);
            $("#carList0"+i+" #font16").html(strArr[strArr.length-1]);
          }
        });
        }(i)));
      }
    }