title: Difference between DOM parentNode and parentElement
body: <p>Can somebody explain in simple terms, what is the difference between classical DOM <a href="https://developer.mozilla.org/en-US/docs/Web/API/Node/parentNode" rel="noreferrer">parentNode</a> and newly introduced in Firefox 9 <a href="https://developer.mozilla.org/en-US/docs/Web/API/Node/parentElement" rel="noreferrer">parentElement</a></p>