Quick and dirty JSL add to path with `Async Defer`

JS script loader

(function (id, src, attrs) {
// find in DOM
  if (document.getElementById(id)) {
    return;
  }
  //create new node
  var js = document.createElement('script');
  js.src = src;
  js.type = 'text/javascript';
  js.id = id;
  // add node attrs
  for (var name in attrs) { if(attrs.hasOwnProperty(name)) { js.setAttribute(name, attrs[name]); } }
  var e = document.getElementsByTagName('script')[0];
  e.parentNode.insertBefore(js, e);
  //load-n-roll
})('script-loader', 'https://loadme.js', {"data-loader":"jsl-scriptloader","data-attr":3442332,"data-env":"prod"});