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34 lines
1.2 KiB
HTML
34 lines
1.2 KiB
HTML
<!doctype html>
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<meta charset="utf-8">
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<link rel="help" href="https://drafts.csswg.org/css-transitions/#starting">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1816672">
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<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
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<link rel="author" title="Mozilla" href="https://mozilla.org">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<iframe></iframe>
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<script>
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let t = async_test("Transitions don't incorrectly start on dynamic document element insertion");
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window.onload = t.step_func_done(function() {
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let frame = document.querySelector("iframe");
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let doc = frame.contentDocument;
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doc.open();
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doc.write("<!doctype html>");
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let root = doc.createElement("html");
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root.innerHTML = `
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<style>
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div {
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width: 100px;
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height: 100px;
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background-color: blue;
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transition: margin-left 10s ease;
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margin-left: 100px;
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}
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</style>
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<div></div>
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`;
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doc.appendChild(root);
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doc.close();
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assert_equals(frame.contentWindow.getComputedStyle(doc.querySelector("div")).marginLeft, "100px", "Transition shouldn't have started");
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});
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</script>
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