t/css">\
div { height: 100px; width: 100px; background: orange; }\
iframe { width: 500px; height: 120px; border: none; }\
    <\/style>\
    <script type="text/javascript">\
window.onload = function () {\
  var origin = "null (string)";\
  document.getElementsByTagName("div")[0].ondragstart = function (e) {\
    e.dataTransfer.effectAllowed = "copy";\
    e.dataTransfer.setData("text","dummy text");\
  };\
  document.getElementsByTagName("span")[0].textContent = origin;\
  var iframe = document.createElemen