62 lines
1.8 KiB
HTML
62 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
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<title>Smooth anchor scroll in snap container works</title>
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<link rel="help" href="https://drafts.csswg.org/css-scroll-snap/"/>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/dom/events/scrolling/scroll_support.js"></script>
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</head>
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<body>
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<style>
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div {
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scroll-behavior: smooth;
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}
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.scroller {
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height: 200px;
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width: 200px;
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overflow-x: scroll;
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scroll-snap-type: x mandatory;
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border: solid 1px black;
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background-color: yellow;
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position: relative;
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}
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.snaparea {
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height: 50px;
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width: 50px;
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scroll-snap-align: start;
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background-color: green;
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}
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#target {
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height: 50px;
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width: 50px;
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background-color: green;
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}
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.space {
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height: 200vh;
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width: 200vw;
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}
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</style>
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<div class="scroller" id="scroller">
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<div class="snaparea"><a id="link" href="#target">target</a></div>
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<div class="space"></div>
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<div id="target"></div>
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</div>
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<script>
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window.onload = () => {
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promise_test(async (t) => {
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await waitForCompositorCommit();
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const scroller = document.getElementById("scroller");
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const link = document.getElementById("link");
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const scrollend_promise = waitForScrollendEventNoTimeout(scroller);
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link.click();
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await scrollend_promise;
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assert_equals(scroller.scrollTop,
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scroller.scrollHeight - scroller.clientHeight);
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}, "smooth scroll to anchor link target in snap container works.");
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}
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</script>
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</body>
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</html>
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