// ------------------------------------------------
// Tool
// ------------------------------------------------
const T_ = document.createTextNode.bind(document);

function E_(t = 'div', p = {}, c = []) {
  let el = document.createElement(t);
  Object.assign(el, p);
  el.append(...c);
  return el;
}

// ------------------------------------------------
// Usage
// ------------------------------------------------
const App = E_('section', { id: 'thing', className: 'test2' }, [
  E_('p', {}, [T_('some thing77')]),
]);

document.body.append(App);