@no-framework/videoplayer/src/videoPlayer/utils/dom.ts

A no framework video player.you can use it as long as your program is in javascript environment

export const on = function (
  element: Element | HTMLElement | Document | Window,
  event: string,
  handler: EventListenerOrEventListenerObject,
  useCapture = false
): void {
  if (element && event && handler) {
    element.addEventListener(event, handler, useCapture);
  }
};
/* istanbul ignore next */
export const off = function (
  element: Element | HTMLElement | Document | Window,
  event: string,
  handler: EventListenerOrEventListenerObject,
  useCapture = false
): void {
  if (element && event && handler) {
    element.removeEventListener(event, handler, useCapture);
  }
};