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| (Empty) |
| 1 <!DOCTYPE html> | |
| 2 <html> | |
| 3 <head> | |
| 4 <style> | |
| 5 ::backdrop { | |
| 6 display: none; | |
| 7 } | |
| 8 </style> | |
| 9 </head> | |
| 10 <body> | |
| 11 <p> | |
| 12 This tests that a modal dialog's containing block is in the initial containing b
lock and that it is unaffected by | |
| 13 ancestor elements with overflow or opacity. | |
| 14 <div style="position: absolute; top: 400px; opacity: 0.3"> | |
| 15 <dialog id="opaqueDialog" style="position: absolute; top: 250px; left: 0px;
background-color: magenta"> | |
| 16 This dialog should be unaffected by its ancestor with opacity. | |
| 17 </dialog> | |
| 18 </div> | |
| 19 <div style="position: absolute; overflow: hidden; width: 500px; height: 150px; t
op: 400px; left: 300px"> | |
| 20 <dialog id="unclippedDialog" style="position: absolute; top: 200px; left: 0p
x; height: 100px; background-color: cyan"> | |
| 21 This dialog should be unaffected by its ancestor with overflow. It shoul
d not be clipped. | |
| 22 </dialog> | |
| 23 </div> | |
| 24 <div style="position: absolute; top: 1000px; left: 1000px; width: 20px;"> | |
| 25 <dialog id="bottomDialog" style="position: absolute; top: 100px; height: 250
px; width: 90%; background-color: yellow"> | |
| 26 This dialog should be onscreen with a width of 90% of the page. It is th
e child of an narrow element | |
| 27 positioned off screen, but the containing block of a top layer element i
s the initial containing block, so its | |
| 28 position and percent lengths are relative to that. | |
| 29 </dialog> | |
| 30 </div> | |
| 31 <script> | |
| 32 document.getElementById('bottomDialog').showModal(); | |
| 33 document.getElementById('unclippedDialog').showModal(); | |
| 34 document.getElementById('opaqueDialog').showModal(); | |
| 35 </script> | |
| 36 </body> | |
| 37 </html> | |
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