| <!DOCTYPE html> |
| <html> |
| <meta charset="utf-8"> |
| <title>CSS Position Test: Test position:sticky element with large top in an overflow container</title> |
| <link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com"> |
| <link rel="author" title="Mozilla" href="http://www.mozilla.org/"> |
| <link rel="help" href="https://drafts.csswg.org/css-position/#sticky-pos"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1598112"> |
| <link rel="help" href="https://github.com/w3c/csswg-drafts/issues/2794"> |
| <link rel="match" href="position-sticky-large-top-2-ref.html"> |
| <meta name="assert" content="This test verifies the position of a position:sticky element with large top value can be reached by scrolling the overflow container."> |
| |
| <style> |
| .scroll { |
| border: 5px solid blue; |
| padding: 5px 3px 0 8px; |
| overflow: auto; |
| height: 200px; |
| width: 200px; |
| } |
| |
| .block { |
| width: 150px; |
| height: 200px; |
| background: yellow; |
| } |
| |
| .sticky { |
| position: sticky; |
| background: purple; |
| width: 50px; |
| height: 50px; |
| top: 200px; |
| } |
| </style> |
| <script> |
| function runTest() { |
| document.getElementById("scroll2").scrollTop = 50; |
| } |
| </script> |
| |
| <body onload="runTest();"> |
| <!-- test before scroll --> |
| <div class="scroll"> |
| <span> |
| <div class="sticky"></div> |
| </span> |
| <div class="block"></div> |
| </div> |
| |
| <!-- test after scroll --> |
| <div class="scroll" id="scroll2"> |
| <span> |
| <div class="sticky"></div> |
| </span> |
| <div class="block"></div> |
| </div> |
| </body> |
| </html> |