node-back-path.js

function getPath(el) {
  var path = el.nodeName;
  if (el.parentNode && el.parentNode.nodeName !== 'BODY') {
    path = getPath(el.parentNode) + ' ' + path;
  }

  return path.toLowerCase();
}

document.addEventListener('click', function(event){
  var path = getPath(event.target);
  console.log(path);
}, true)