852293.html - mozsearch

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<!DOCTYPE html>

<html class="reftest-wait">

<head>

<meta charset="UTF-8">

<script>

"use strict";

var i = 0;

var x;

var fixedDiv;

var sheet;

function start()

  clearChildren(document.documentElement);

  for (var j = 0; j < 10; ++j) {

    document.documentElement.appendChild(document.createElement("div"));

  x = document.getElementsByTagName("div")[0];

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

  fixedDiv.style.setProperty("position", "fixed", "");

  setTimeout(makeChanges, 10);

function makeChanges()

  ++i;

  x.appendChild(fixedDiv);

  sheet = document.createElement("style");

  sheet.appendChild(document.createTextNode("* { transform: matrix(1, 2, 3, 4, 5, 6); }"));

  document.documentElement.appendChild(sheet);

  if (i >= 200) {

    document.documentElement.removeAttribute("class");

    return;

  setTimeout(revertChanges, 10);

function revertChanges()

  x.removeChild(fixedDiv);

  document.documentElement.removeChild(sheet);

  bounceDE();

  setTimeout(makeChanges, 10);

function bounceDE()

  var de = document.documentElement;

  document.removeChild(de);

  document.appendChild(de);

function clearChildren(root)

  while(root.firstChild) { root.firstChild.remove(); }

</script>

</head>

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

</html>