This code snippet lets you load Peer5 without

peer5-load-conditionally.js

// load Peer5 with a script timeout

var initiated;
function initClappr() {
  if (initiated) return;
  initiated = true;
  // var player = new Clappr.Player();
  // rest of clappr initialization
}

function isPeer5Supported() {
  var hasWebRTC = Boolean(window.RTCPeerConnection || window.webkitRTCPeerConnection || window.mozRTCPeerConnection);
  var hasWebSockets = window.WebSocket;
  return Boolean(hasWebRTC && hasWebSockets) 
}
if (isPeer5Supported()) {
  var s = document.createElement('script');
  s.src = '//api.peer5.com/peer5.js?id=xxxxxxxxxxxxxxxxxxxx';
  s.onload = initClappr;
  setTimeout(initClappr, 4000);
} else {
  initClappr();
}

peer5-load-timed.js

// load Peer5 with a script timeout

var initiated;
function initClappr() {
  if (initiated) return;
  initiated = true;
  // var player = new Clappr.Player();
  // rest of clappr initialization
}

var s = document.createElement('script');
s.src = '//api.peer5.com/peer5.js?id=xxxxxxxxxxxxxxxxxxxx';
s.onload = initClappr;

setTimeout(initClappr, 4000)