| <!DOCTYPE html> |
| <title>Script-created link stylesheet is not script-blocking</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support/utils.js"></script> |
| <script> |
| const link = document.createElement('link'); |
| link.rel = 'stylesheet'; |
| link.href = 'stylesheet.py?delay=1'; |
| document.head.appendChild(link); |
| </script> |
| <h1>Some text</h1> |
| <script> |
| test(() => { |
| assert_false(styleExists("h1 { color: purple; }"), |
| 'stylesheet should still be pending'); |
| const h1 = document.querySelector('h1'); |
| assert_equals(getComputedStyle(h1).color, 'rgb(0, 0, 0)'); |
| }); |
| </script> |