Include elm-generated JS on 3rd party web page

bookmarklet.js

javascript:(function() {
  var elmDiv = document.createElement("div");
  elmDiv.id="elm";

  var elmJs = document.createElement("script");
  elmJs.src="//bit.ly/2eMDpH9";
  elmJs.onload=function() {
     var node = document.getElementById('elm');
     Elm.Main.embed(node);
  };

  document.body.appendChild(elmDiv);
  document.body.appendChild(elmJs);
})()