function setTextContent(el, content) {
  if (el.styleSheet) {
    el.styleSheet.cssText = content;
  } else {
    el.textContent = content;
  }
}
function setTextContent(el, content) {
  if (el.styleSheet) {
    el.styleSheet.cssText = content;
  } else {
    el.textContent = content;
  }
}
function setTextContent ( el , content ) { if ( el . styleSheet ) { el . styleSheet . cssText = content ; } else { el . textContent = content ; } }
Add text to a DOM element.

@param {Element} el
The Element to add text content to.

@param {string} content
The text to add to the element.
Add text to a DOM element .