| <!DOCTYPE html> | |
| <html> | |
| <body> | |
| <h1 id="id" class="class"></h1> | |
| <script src="../resources/runner.js"></script> | |
| <script> | |
| PerfTestRunner.runPerSecond({ | |
| description: "This benchmark tests querySelector() for an element that appears near the head of the document", | |
| run: function() { | |
| for (var i = 0; i < 1000; i++) { | |
| document.querySelector("h1"); | |
| document.querySelector("#id"); | |
| document.querySelector(".class"); | |
| } | |
| }}); | |
| </script> | |
| </body> | |
| </html> |