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9509cd7e32
MozReview-Commit-ID: Hgxbp1Icgvh
12 lines
158 B
HTML
12 lines
158 B
HTML
<!DOCTYPE html>
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<html>
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<body>
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<script>
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var x = document.createElement('span');
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x.attachShadow({ mode: "open" });
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x.id = 'a';
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</script>
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</body>
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</html>
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