| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <script src="../resources/runner.js"></script> |
| </head> |
| <body> |
| <div id="target" style="width: 300px; display: none; font: 42px 'system-ui', '-apple-system';" lang="zh-CN"></div> |
| <script> |
| var target = document.getElementById("target"); |
| var style = target.style; |
| |
| var s = ""; |
| var length = 10000; |
| var startCode = 0x4E00; |
| for (var i = 0; i < length; ++i) { |
| s = s + String.fromCharCode(i + startCode); |
| } |
| |
| |
| function test() { |
| if (window.internals) |
| window.internals.invalidateFontCache(); |
| |
| style.display = "block"; |
| target.offsetLeft; |
| target.textContent = s; |
| target.offsetLeft; |
| target.textContent = ""; |
| style.display = "none"; |
| } |
| |
| PerfTestRunner.measureRunsPerSecond({ run: test }); |
| </script> |
| </body> |
| </html> |
