795221-3.html - mozsearch

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<!DOCTYPE html>

<body>

<script>

  // Create the stylesheet via script, so that the parser's preloading doesn't

  // make the CSS loader hold on to the sheet we're _not_ trying to form a

  // cycle through, thus accidentally avoiding the cycle

  var link = document.createElement("link");

  link.setAttribute("rel", "stylesheet");

  link.setAttribute("href", "data:text/css,div { }");

  link.onload = function () {

    document.styleSheets[0].cssRules[0].style.foo = document;

  document.body.appendChild(link);

</script>