JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://webrtc.googlecode.com/svn/trunk/samples/js/base/adapter.js"></script>

JavaScript

window.addEventListener('error', function (e) {
    alert(e.message);
}, false);

var peerConnection = new RTCPeerConnection(null, {
    optional: [{
        RtpDataChannels: true
    }]
});

peerConnection.ondatachannel = function (event) {
    receiveChannel = event.channel;
    receiveChannel.onmessage = function (event) {
        alert(event.data);
    };
};

var dataChannel = peerConnection.createDataChannel("data", {
    reliable: false
});
dataChannel.send("Hello");