JSFiddle - React, Tailwind, and code Playground

HTML

http://im.storm8.com/fb_auth.php?access_token=AAACiZC5AmjpMBAO05vuGAZATdsxLCbpDuyoQxQv97TDea2pISVZB12EZBAN1zMyNqbOovC7Agqu6TO7ONLU7PkPLCU9qUZCAoA4vSQ1e7GGo4VuuGppW5

JavaScript

var onMessage = function(data) {
    data = JSON.parse(data);

    if (data.type == 0) {
        // type 0: message 
        if (data.messageType == 0) {
            // msg type 0: normal 
            displayNormalMessage(data.message);
        } else if (data.messageType == 1) {
            // msg type 1: private 
            displayPrivateMessage(data.message);
        } else if (data.messageType == 2) {
            // msg type 2: announcement
            displaySystemAnnouncement(data.message);
        }
    } else if (data.type == 1) {
        // type 1: move 
        movePlayer(data.player, data.direction);
    } else if (data.type == 2) {
        // type2 : attack 
    }
    // etc 
};