xmin-mro/static/assets/script.js

// https://www.dyn-web.com/tutorials/iframes/height/
function getDocHeight(doc) {
  doc = doc || document;
  // stackoverflow.com/questions/1145850/
  var body = doc.body, html = doc.documentElement;
  var height = Math.max(body.scrollHeight, body.offsetHeight,
    html.clientHeight, html.scrollHeight, html.offsetHeight);
  return height;
}
function setIframeHeight(id) {
  var ifrm = document.getElementById(id);
  var doc = ifrm.contentDocument ? ifrm.contentDocument : ifrm.contentWindow.document;
  requestAnimationFrame(function() { // http://wilsonpage.co.uk/preventing-layout-thrashing/
    // ifrm.style.visibility = 'hidden';
    ifrm.style.height = "10px"; // reset to minimal height ...
    // IE opt. for bing/msn needs a bit added or scrollbar appears
    ifrm.style.height = getDocHeight(doc) + 4 + "px";
    // ifrm.style.visibility = 'visible';
  });
}