| <!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> |