asp.Netでjsとjqueryがashxを呼び出す異なる方法の共有

 
  
var xhr = new XMLHttpRequest(); 
  
            xhr.open("get", 'Controls/gengCart.ashx?CartID=' + input + '&count=' + inp, true); 
  
            xhr.setRequestHeader("If-Modified-Since", "0"); 
  
            xhr.onreadystatechange = function () { 
  
                if (xhr.readyState == 4 && xhr.status == 200) { 
  
                    var result = xhr.responseText; 
  
                    var json = eval("(" + result + ")"); 
  
                    alert(js.name); 
  
                } 
  
            }; 
  
            xhr.send(null); 
  
 
 

 
  
  $.post('Controls/Cart.ashx', { "productID":,"count":"1","userID":'' }, function (data,statu) { 
  
                if (statu == 'success') { 
  
                   if(data=="false"){ 
  
                      alert("          "); 
  
                   } 
  
                   else{ 
  
                      window.location="gwc.aspx?uid="+''; 
  
                   } 
  
                } 
  
            })