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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-position/sticky/position-sticky-stacking-context.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-position/sticky/position-sticky-stacking-context.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-position/sticky/position-sticky-stacking-context.html | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-position/sticky/position-sticky-stacking-context.html b/testing/web-platform/tests/css/css-position/sticky/position-sticky-stacking-context.html new file mode 100644 index 0000000000..4e91dfbd91 --- /dev/null +++ b/testing/web-platform/tests/css/css-position/sticky/position-sticky-stacking-context.html @@ -0,0 +1,46 @@ +<!DOCTYPE html> +<title>position: sticky should create a stacking context</title> +<link rel="match" href="position-sticky-stacking-context-ref.html" /> +<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" /> +<meta name="assert" content="position:sticky elements should create a stacking context" /> + +<script src="../resources/ref-rectangle.js"></script> + +<style> +.indicator { + position: absolute; + background-color: green; + z-index: 1; +} + +.sticky { + position: sticky; + z-index: 0; +} + +.child { + position: relative; + background-color: red; + z-index: 2; +} + +.box { + width: 200px; + height: 200px; +} +</style> + +<script> +window.addEventListener('load', function() { + createIndicatorForStickyElements(document.querySelectorAll('.sticky')); +}) +</script> + +<div>You should see a single green box below. No red or blue should be visible.</div> + +<div class="indicator box"></div> +<div class="sticky box"> + <!-- Because sticky forms a stacking context, this child remains on bottom + even though it has a higher z-index than the indicator box. --> + <div class="child box"></div> +</div> |