chrome/test/data/prerender/prerender_xhr_delete.html

   1 <html>
   2   <head>
   3     <script>
   4       var pageWasPrerendered = false;
   5
   6       // Make sure plugin was not loaded while prerendering.
   7       function DidPrerenderPass() {
   8         pageWasPrerendered = true;
   9         return true;
  10       }
  11
  12       // Make sure DidPrerenderPass() was called first.  Otherwise, the page was
  13       // most likely reloaded instead of using the prerendered page.
  14       function DidDisplayPass() {
  15         return pageWasPrerendered;
  16       }
  17
  18       function do_xhr() {
  19         var xhr = new XMLHttpRequest();
  20         xhr.onreadystatechange  = function() {
  21           if(xhr.readyState == 4) {
  22             if(xhr.status == 200) {
  23               document.getElementById("dynamic").innerHTML =
  24                   "Received:"  + xhr.responseText;
  25             } else {
  26               document.getElementById("dynamic").innerHTML =
  27                   "Error code: " + xhr.status;
  28             }
  29           }
  30         };
  31
  32         xhr.open("DELETE", "non-existant-file", true);
  33         xhr.send(null);
  34       }
  35
  36       // Fire the XHR after onload so to consistently abort after
  37       // webkitprerenderload, rather than racily abort on one side or the
  38       // other.
  39       window.onload = setTimeout.bind(null, do_xhr);
  40     </script>
  41   </head>
  42   <body>
  43     <div id="dynamic">
  44       Waiting for XHR response.
  45     </div>
  46  </body>
  47 </html>