var dataChannelOptions = {

  ordered: false, // do not guarantee order

  maxRetransmitTime: 3000, // in milliseconds};

  var peerConnection = new RTCPeerConnection();

  // Establish your peer connection using your signaling channel herevar dataChannel =

  peerConnection.createDataChannel("myLabel", dataChannelOptions);

dataChannel.onerror = function (error) {

  console.log("Data Channel Error:", error);

};

dataChannel.onmessage = function (event) {

  console.log("Got Data Channel Message:", event.data);

};

dataChannel.onopen = function () {

  dataChannel.send("Hello World!");

};

dataChannel.onclose = function () {

  console.log("The Data Channel is Closed");

};