15 lines
390 B
HTML
15 lines
390 B
HTML
<script>
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window.onload = function() {
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a.setAttribute("width", "0")
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b.select()
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document.documentElement.style.display="none"
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document.documentElement.getBoundingClientRect()
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document.documentElement.style.display=""
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SpecialPowers.forceGC();
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SpecialPowers.forceCC();
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document.body.offsetTop;
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}
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</script>
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<input id="b" type="number">
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<iframe id="a" height="0">
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