| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/css-flexbox-1/#baseline-participation"> |
| <link rel="match" href="dynamic-baseline-change-ref.html"> |
| <meta name="assert" content="This test ensures proper baseline alignment for a sub-tree which adds a scrollbar."> |
| <div style="display: flex; width: 100px; border: solid; align-items: baseline;"> |
| <div style="width: 50px; height: 50px;"> |
| <div style="width: 50px; height: 50px; position: relative; overflow: auto;"> |
| <canvas width=10 height=10 style="width: 80%; background: green;"></canvas> <!-- Baseline of the canvas will move when a scrollbar is added. --> |
| <div id="target" style="position: absolute; width: 10px; height: 10px; background: red; top: 0;"></div> |
| </div> |
| </div> |
| <div style="width: 50px; height: 50px; background: green;"></div> <!-- Baseline is synthesized at the block-end edge. --> |
| </div> |
| <script> |
| document.body.offsetTop; |
| document.getElementById('target').style.top = '100px'; |
| </script> |
