| <!doctype HTML> |
| <html> |
| <meta charset="utf8"> |
| <title>Content Visibility: hit testing</title> |
| <link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> |
| <meta name="assert" content="content-visibility hidden prevents hit-testing in the subtree"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <style> |
| body { |
| margin: 0; |
| padding: 0; |
| } |
| #outer { |
| width: 100px; |
| height: 100px; |
| background: lightblue; |
| |
| content-visibility: hidden; |
| } |
| #inner { |
| margin: 25px; |
| width: 50px; |
| height: 50px; |
| background lightgreen; |
| } |
| </style> |
| |
| <body id="body"> |
| <div id="outer"><div id="inner"></div></div> |
| </body> |
| |
| <script> |
| async_test((t) => { |
| const container = document.getElementById("outer"); |
| |
| let target = document.elementFromPoint(50, 50); |
| t.step(() => assert_equals(target.id, "outer", "center hits outer")); |
| target = document.elementFromPoint(10, 50); |
| t.step(() => assert_equals(target.id, "outer", "edge hits outer")); |
| target = document.elementFromPoint(100, 50); |
| t.step(() => assert_equals(target.id, "body", "elsewhere hits body")); |
| t.done(); |
| }); |
| |
| </script> |
| </html> |
