| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <script src="../resources/runner.js"></script> | |
| <script> | |
| var element; | |
| PerfTestRunner.measureTime({ | |
| description: "Measures performance of changing a DOM element's id property.", | |
| setup: function() { | |
| element = document.createElement('div'); | |
| }, | |
| run: function() { | |
| for (var i = 0; i < 500000; ++i) { | |
| element.id = 'id1'; | |
| element.id = 'id2'; | |
| } | |
| } | |
| }); | |
| </script> | |
| </body> | |
| </html> |