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1 <!DOCTYPE html> | |
2 <style> | |
3 dialog::backdrop { | |
4 position: absolute; | |
5 top: 100px; | |
6 left: 100px; | |
7 height: 100px; | |
8 width: 100px; | |
9 background: red; | |
10 } | |
11 | |
12 #display-none-backdrop::backdrop { | |
13 display: none; | |
14 } | |
15 </style> | |
16 <body> | |
17 Test that ::backdrop is not shown for non-open or non-modal dialogs. | |
18 The test passes if there is no red shown. | |
19 <dialog id="never-opened-dialog"></dialog> | |
20 <dialog id="display-none-dialog" style="display: none"></dialog> | |
21 <dialog id="non-modal-dialog" style="visibility: hidden"></dialog> | |
22 <dialog id="display-none-backdrop" style="visibility: hidden"></dialog> | |
23 <dialog id="closed-dialog"></dialog> | |
24 <dialog id="removed-dialog"></dialog> | |
25 <script> | |
26 document.getElementById('display-none-dialog').showModal(); | |
27 document.getElementById('non-modal-dialog').show(); | |
28 document.getElementById('display-none-backdrop').showModal(); | |
29 | |
30 var closedDialog = document.getElementById('closed-dialog'); | |
31 closedDialog.showModal(); | |
32 closedDialog.close(); | |
33 | |
34 var removedDialog = document.getElementById('removed-dialog'); | |
35 removedDialog.showModal(); | |
36 removedDialog.parentNode.removeChild(removedDialog); | |
37 </script> | |
38 </body> | |
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