| <!DOCTYPE html> |
| <title>non-passive mousewheel event listener on root</title> |
| <link rel="help" href="https://w3c.github.io/uievents/#cancelability-of-wheel-events"> |
| <link rel="help" href="https://github.com/w3c/uievents/issues/331"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-actions.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script src="resources/wait-for.js"></script> |
| <script src="resources/scrolling.js"></script> |
| <div class=remove-on-cleanup style="height: 200vh"></div> |
| <script> |
| document.body.onload = () => runTest({ |
| target: document.documentElement, |
| eventName: 'mousewheel', |
| passive: false, |
| expectCancelable: true, |
| }); |
| </script> |
