10 lines
333 B
HTML
10 lines
333 B
HTML
<title>Ensure GetCommonFlattenedTreeAncestorForSelection won't crash when the provided contents are equal</title>
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<script>
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window.addEventListener("DOMContentLoaded", () => {
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let b = a.attachShadow({mode: "open"})
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let c = document.getSelection()
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b.append(null)
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c.setBaseAndExtent(a, 1, b, 1)
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})
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</script>
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<blockquote id="a">
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