third_party/WebKit/PerformanceTests/DOM/textarea-dom.html

   1 <!DOCTYPE html>
   2 <body>
   3 <style>
   4 textarea:valid {
   5     background-color: lime;
   6 }
   7 textarea:invalid {
   8     background-color: red;
   9 }
  10 </style>
  11 <script src="../resources/runner.js"></script>
  12 <textarea maxlength=2147483647 id="container"></textarea>
  13 <script>
  14 var container = document.getElementById('container');
  15 var nodes = [];
  16 var childCount = 1000;
  17 for (var i = 0; i < childCount; ++i)
  18     nodes.push(document.createTextNode('A quick brown fox jumps over the lazy dog.\n'));
  19
  20 PerfTestRunner.measureRunsPerSecond({
  21     description: "Measures performance of adding text nodes to a textarea, then clearing it.",
  22     run: function() {
  23         for (var i = 0; i < childCount; ++i)
  24             container.appendChild(nodes[i]);
  25         container.innerHTML = '';
  26     }
  27 });
  28 </script>
  29 </body>