1158412.html - mozsearch

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<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<script>

function boom()

    document.styleSheetSets.expando = null;

    var otherDoc = document.implementation.createDocument("", "", null);

    var otherSpan = otherDoc.createElementNS("http://www.w3.org/1999/xhtml", "span");

    var img = document.createElementNS("http://www.w3.org/1999/xhtml", "img");

    img.srcset = "data:,a 1w, data:,b 1w";

    img.sizes = "1px";

    otherSpan.appendChild(img);

</script>

</head>

<body onload="boom();"></body>

</html>