jQuery Ajax: return value to caller?

Question

I have some jQuery code. I have called an Ajax function file, file.php, that has some fields, like:

Milk         


        

Answer 1

jQuery.ajax({
     type:"POST",
     url:"file.php",
     data:"id1="+val1+"&id2="+val2,
     success:function(data){
       jQuery("#div_id").html(data);
    }