third_party/WebKit/PerformanceTests/Parser/query-selector-all-class-last.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../resources/runner.js"></script>
   5 <script>
   6 for (var i = 0; i < 1000; i++) {
   7     var div = document.createElement("div");
   8     div.id = "foo" + i;
   9     div.className = "bar" + i;
  10     document.body.appendChild(div);
  11 }
  12
  13 var h1 = document.createElement("h1");
  14 h1.id = "id";
  15 h1.className = "class";
  16 document.body.lastChild.appendChild(h1);
  17
  18 PerfTestRunner.measureRunsPerSecond({
  19     description: "This benchmark tests querySelectorAll() for an element that appears near the tail of the document, and is a child of an element with a given id",
  20     run: function() {
  21         for (var i = 0; i < 100; i++) {
  22             var res = document.querySelectorAll(".bar999 > h1");
  23         }
  24     }});
  25 </script>
  26 </body>
  27 </html>