| <!DOCTYPE html> |
| <title>Tests anchor-scroll with nested scroll containers</title> |
| <link rel="author" href="mailto:xiaochengh@chromium.org"> |
| <link rel="help" href="https://tabatkins.github.io/specs/css-anchor-position/"> |
| <style> |
| body { |
| margin: 0; |
| width: 1500px; |
| height: 1500px; |
| position: relative; |
| } |
| |
| #outer-scroller { |
| margin: 500px; |
| width: 350px; |
| height: 350px; |
| outline: 1px solid black; |
| overflow: scroll; |
| } |
| |
| #inner-scroller { |
| margin: 100px; |
| width: 250px; |
| height: 250px; |
| outline: 1px solid black; |
| overflow: scroll; |
| } |
| |
| #anchor { |
| margin: 200px; |
| width: 50px; |
| height: 50px; |
| background-color: green; |
| } |
| |
| .anchored { |
| position: fixed; |
| width: 50px; |
| height: 50px; |
| left: 250px; |
| } |
| |
| .above { |
| top: 200px; |
| background-color: red; |
| } |
| |
| .below { |
| top: 300px; |
| background-color: yellow; |
| } |
| </style> |
| |
| <div id="outer-scroller"> |
| <div id="inner-scroller"> |
| <div id="anchor"></div> |
| <div class="anchored above"></div> |
| </div> |
| </div> |
| |
| <div class="anchored below"></div> |
| |
| <script> |
| document.documentElement.scrollTop = 400; |
| document.documentElement.scrollLeft = 400; |
| |
| let outerScroller = document.getElementById('outer-scroller'); |
| outerScroller.scrollTop = 50; |
| outerScroller.scrollLeft = 50; |
| |
| let innerScroller = document.getElementById('inner-scroller'); |
| innerScroller.scrollTop = 100; |
| innerScroller.scrollLeft = 100; |
| </script> |
