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17 lines
486 B
XML
17 lines
486 B
XML
<?xml version="1.0"?>
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<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
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<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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xmlns:xhtml="http://www.w3.org/1999/xhtml">
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<xhtml:div id="root">
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<xhtml:div id="target">
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</xhtml:div>
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</xhtml:div>
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<script>
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<![CDATA[
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var io = new IntersectionObserver(function () {
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}, { root: document.getElementById('root') });
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io.observe(document.getElementById('target'));
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]]>
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</script>
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</window>
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