| <html> |
| <head> |
| <script src="../resources/runner.js"></script> |
| <style> |
| #grid { |
| display: grid; |
| grid-template-columns: auto; |
| } |
| |
| .subgrid { |
| display: grid; |
| grid-template-columns: subgrid; |
| grid-template-rows: subgrid; |
| grid-row: span 20000; |
| } |
| </style> |
| </head> |
| |
| <body> |
| <div id="grid"> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| <div class="subgrid">Row</div> |
| </div> |
| </body> |
| <script> |
| var index = 0; |
| PerfTestRunner.measureRunsPerSecond({run: function() { |
| document.querySelector("body").style.width = ++index % 2 ? "50%" : "100%"; |
| document.body.offsetHeight; |
| }}); |
| </script> |
| </html> |
