title: Serial Asynchrounous XmlHTTPRequest
body: <p>Is this a better way to do a serial asyn call. </p>
  
  <p><a href="http://ajaxian.com/archives/serial-async-xhr" rel="nofollow">http://ajaxian.com/archives/serial-async-xhr</a></p>
  
  <pre><code>function run() { 
      request1(function () { 
          request2(function () { 
              request3(function () { 
                  done(); 
              }); 
          }); 
      }); 
  } 
  </code></pre>
  
  <p>Will this cause a callback-hell problem?</p>