function creeateElement(type, attributes, ...content) {
  const res = document.createElement(type);

  for (let [attr, value] of Object.entries(attributes || {})) {
    if (attr.substring(0, 2) == 'on') {
      res.addEventListener(attr.substring(2).toLowerCase(), value);
    } else {
      res[attr] = value;
    }
  }

  content = content.reduce((a, c) => a.concat(Array.isArray(c) ? c : [c]), []);

  content.forEach(e => {
    if (typeof e == 'string' || typeof e == 'number') {
      const node = document.createTextNode(e);
      res.appendChild(node);
    } else {
      res.appendChild(e);
    }
  });

  return res;
}