Kiet Ho
bbd62294ed
Automatic update from web-platform-tests WebKit export of https://bugs.webkit.org/show_bug.cgi?id=314778 -- wpt-commits: 1e98f48e81b20e7bf91fcdf6e0a8319558bd6254 wpt-pr: 60041
47 lines
1.1 KiB
HTML
47 lines
1.1 KiB
HTML
<!DOCTYPE html>
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<title>Intersection Observer: root margin is applied when observer is in a same-origin iframe</title>
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<link rel="author" title="Kiet Ho" href="mailto:kiet.ho@apple.com">
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<script src="/common/rendering-utils.js"></script>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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#iframe {
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width: 40px;
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height: 40px;
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display: block;
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position: fixed;
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left: 0;
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top: -40px;
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border: 0;
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}
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</style>
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<iframe id="iframe"></iframe>
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<script>
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isIntersecting = null;
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window.addEventListener("message", event => {
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isIntersecting = event.data.isIntersecting;
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});
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function loadFrame() {
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return new Promise(resolve => {
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iframe.addEventListener("load", resolve, { once: true });
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iframe.src = "resources/root-margin-in-same-origin-iframe-subframe.html";
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});
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}
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promise_test(async (t) => {
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await loadFrame();
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await waitForAtLeastOneFrame();
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await waitForAtLeastOneFrame();
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await waitForAtLeastOneFrame();
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assert_true(isIntersecting);
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});
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</script>
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