| <!DOCTYPE html> |
| <html class="test-wait"> |
| <head> |
| <link rel="author" title="Daniel Holbert" href="mailto:dholbert@mozilla.com"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1267079"> |
| <style> |
| |
| @keyframes a { |
| 0% { |
| border-radius: 1px; |
| } |
| } |
| |
| div { |
| animation-name: a; |
| animation-duration: 3s; |
| } |
| |
| </style> |
| <script> |
| |
| function addSheet(text) |
| { |
| var sheet = document.createElement("style"); |
| sheet.appendChild(document.createTextNode(text)); |
| document.head.appendChild(sheet); |
| } |
| |
| function boom() |
| { |
| requestAnimationFrame(() => { requestAnimationFrame(() => { |
| addSheet("div:after { content: 'Z'; }"); |
| document.documentElement.classList.remove("test-wait"); |
| }); }); |
| } |
| |
| window.addEventListener("load", boom, false); |
| |
| </script> |
| </head> |
| |
| <body><div></div></body> |
| </html> |
