}>
              <div>
                <p>local</p>
                <video ref={localRef} autoPlay muted />
              </div>
              <div>
                <p>remote</p>
                <video ref={remoteRef} autoPlay muted />
              </div>
            </div>
          </div>
        );
      };

      ReactDOM.render(<App />, document.getElementById("app1"));
    </script>
  </body>
</html>
