зеркало из https://github.com/mozilla/gecko-dev.git
9 строки
301 B
HTML
9 строки
301 B
HTML
<!doctype html>
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<div id="host" style="display: none"></div>
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<script>
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let shadowRoot = host.attachShadow({ mode: "open" });
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shadowRoot.appendChild(document.createTextNode('foo'));
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document.body.offsetTop;
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shadowRoot.insertBefore(document.createElement('bar'), shadowRoot.firstChild);
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</script>
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