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- This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/container-queries/scroll-state/scroll-state-scrollable-layout-change-002.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>@container: scroll-state(scrollable) layout change removing vertical scrollbar</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/css-conditional/container-queries/support/cq-testcommon.js"></script>
<script src="/css/css-transitions/support/helper.js"></script>
<style>
#scroller {
container-type: scroll-state;
overflow: auto;
width: 100px;
height: 100px;
}
#target {
--scrollable: no;
@container scroll-state(scrollable) {
--scrollable: yes;
}
}
#filler {
height: 2000px;
}
</style>
<div id="scroller">
<div id="target"></div>
<div id="filler"></div>
</div>
<script>
setup(() => assert_implements_scroll_state_container_queries());
promise_test(async t => {
await waitForAnimationFrames(2);
assert_equals(getComputedStyle(target).getPropertyValue("--scrollable"), "yes");
}, "Check scroll-state(scrollable) initially matching");
promise_test(async t => {
filler.style.height = "0px";
await waitForAnimationFrames(2);
assert_equals(getComputedStyle(target).getPropertyValue("--scrollable"), "no");
}, "Check scroll-state(scrollable) not matching after layout change no longer causing vertical overflow");
</script>