Function isHTMLMediaElement

src/utils/event-helper.js:245–247

* Returns true if the parameter is a HTMLMediaElement. * @param {!Element|!Window} eleOrWindow * @return {boolean}

(eleOrWindow)

 * @return {boolean}
 */
function isHTMLMediaElement(eleOrWindow) {
  return eleOrWindow.tagName === 'AUDIO' || eleOrWindow.tagName === 'VIDEO';
}

/**
 * Returns true if this error message is was created for a load error.