| <!DOCTYPE html> |
| <body> |
| <style> |
| textarea:valid { |
| background-color: lime; |
| } |
| textarea:invalid { |
| background-color: red; |
| } |
| </style> |
| <script src="../resources/runner.js"></script> |
| <textarea maxlength=2147483647 id="container"></textarea> |
| <script> |
| var container = document.getElementById('container'); |
| var nodes = []; |
| var childCount = 1000; |
| // Vary the text nodes added, avoiding secondary effects of using identical strings and allocation reuse. |
| for (var i = 0; i < childCount; ++i) |
| nodes.push(document.createTextNode('A quick brown fox jumps over the ' + i + 'th lazy dog.\n')); |
| |
| PerfTestRunner.measureRunsPerSecond({ |
| description: "Measures performance of adding text nodes to a textarea, then clearing it.", |
| run: function() { |
| for (var i = 0; i < childCount; ++i) |
| container.appendChild(nodes[i]); |
| container.innerHTML = ''; |
| } |
| }); |
| </script> |
| </body> |
