mylib

Open a blank tab page and run code

function runCode(html, css){ 
   var newWin=window.open('','',''); 
   newWin.opener = null;
   newWin.document.write(css); 
   newWin.document.write(html); 
   newWin.document.close();
}
var styles = document.getElementsByTagName("style")[0].innerHTML;
var someStyle = "<style>" + styles + "</style>";
var someHTML = document.getElementsByTagName("body")[0].innerHTML;
runCode(someHTML, someStyle);

Original page