blob: 31b7446c533f6826d33457233d96f53e7904e0ef [file] [log] [blame]
<!DOCTYPE html>
dialog {
height: 150px;
width: 150px;
::backdrop {
display: none;
.red {
background-color: red;
top: 200px;
#bottomDialog {
background-color: blue;
top: 50px;
display: none;
#topDialog {
background-color: green;
top: 100px;
left: 50px;
This tests that a top layer element is not rendered if it, or an ancestor, has display: none.
It passes if you see a green rectangle stacked on top of a blue rectangle, and see no red rectangles.
<dialog id="hiddenDialog" class="red" style="display: none;"></dialog>
<div id="container">
<dialog id="displayNoneChild1" class="red"></dialog>
<dialog id="displayNoneChild2" class="red"></dialog>
<dialog id="bottomDialog"></dialog>
<dialog id="topDialog"></dialog>
document.getElementById('container').style.display = 'none';
// Test that stacking works even if an element is added to the top layer when it has no renderer.
document.getElementById('bottomDialog').style.display = 'block';