<?xml version="1.0"?> <!DOCTYPE html> <a xmlns="http://www.w3.org/1999/xhtml" href="http://www.example-notvisited.tld" class="reftest-wait"> <style> <![CDATA[ a { display: block; width: 100%; height: 100% } :link { background: red } :visited { background: green } ]]> </style> <script> <![CDATA[ var a = document.documentElement; getComputedStyle(a, "").backgroundColor; // flush style a.href = ""; getComputedStyle(a, "").backgroundColor; // flush style document.documentElement.removeAttribute("class"); ]]> </script> </a>