PerformanceTests/Bindings/insert-before.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../resources/runner.js"></script>
   5 <script>
   6 var div = document.createElement("div");
   7 var childDiv = document.createElement("div");
   8
   9 PerfTestRunner.measureRunsPerSecond({
  10     description: "This benchmark covers 'insertBefore' in Dromaeo/dom-modify.html and replaceChild()",
  11     setup: function() {
  12         div.innerHTML = "";
  13         div.appendChild(childDiv);
  14     },
  15     run: function() {
  16         var localDiv = div;
  17         var localFirstChildOfDiv = div.firstChild;
  18         var localChildDiv = childDiv;
  19         for (var i = 0; i < 50000; i++)
  20             localDiv.insertBefore(localChildDiv, localFirstChildOfDiv);
  21 }});
  22 </script>
  23 </body>
  24 </html>