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| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <script> |
| 5 if (window.internals) |
| 6 internals.settings.setDialogElementEnabled(true); |
| 7 </script> |
| 8 </head> |
| 9 <body> |
| 10 <p> |
| 11 This tests that a dialog's containing block is in the initial containing block a
nd that it is unaffected by |
| 12 ancestor elements with overflow or opacity. |
| 13 <div style="position: absolute; top: 400px; opacity: 0.3"> |
| 14 <dialog id="opaqueDialog" style="position: absolute; top: 250px; left: 0px;
background-color: magenta"> |
| 15 This dialog should be unaffected by its ancestor with opacity. |
| 16 </dialog> |
| 17 </div> |
| 18 <div style="position: absolute; overflow: hidden; width: 500px; height: 150px; t
op: 400px; left: 300px"> |
| 19 <dialog id="unclippedDialog" style="position: absolute; top: 200px; left: 0p
x; height: 100px; background-color: cyan"> |
| 20 This dialog should be unaffected by its ancestor with overflow. It shoul
d not be clipped. |
| 21 </dialog> |
| 22 </div> |
| 23 <div style="position: absolute; top: 1000px; left: 1000px; width: 20px;"> |
| 24 <dialog id="bottomDialog" style="position: absolute; top: 100px; height: 250
px; width: 90%; background-color: yellow"> |
| 25 This dialog should be onscreen with a width of 90% of the page. It is th
e child of an narrow element |
| 26 positioned off screen, but the containing block of a dialog is the initi
al containing block, so its |
| 27 position and percent lengths are relative to that. |
| 28 </dialog> |
| 29 </div> |
| 30 <script> |
| 31 document.getElementById('bottomDialog').show(); |
| 32 document.getElementById('unclippedDialog').show(); |
| 33 document.getElementById('opaqueDialog').show(); |
| 34 </script> |
| 35 </body> |
| 36 </html> |
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