/**
 * 
 * @param html encoded html
 * example:
 * <p>In this course, you’ll learn:</p>
 * wiill get decoded to:
 * <p>In this course, you'll learn:</p>
 */
function decode(html: string) {
  var txt = document.createElement('textarea');
  txt.innerHTML = html;
  return txt.value;
}