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Anonymous Real-time Chat


This is anonymous chat app was created for a tutorial about Nodejs, Express, and and MongoDB.

You should have a good understanding of how works at the end of this tutorial or after taking a look at the code.

You will also learn how to show that someone is typing in a chat application.

Here is a screenshot of it looks and functionality.

alt text

Code Samples


//integrating socketio
socket = io(http);

//database connection
const Chat = require("./models/Chat");
const connect = require("./dbconnect");

//setup event listener
socket.on("connection", socket => {
 console.log("user connected");

 socket.on("disconnect", function() {
   console.log("user disconnected");

 //Someone is typing
 socket.on("typing", data => {
   socket.broadcast.emit("notifyTyping", {
     user: data.user,
     message: data.message


(function() {
  $("form").submit(function(e) {
    let li = document.createElement("li");
    e.preventDefault(); // prevents page reloading
    socket.emit("chat message", $("#message").val());

    let span = document.createElement("span");
    messages.appendChild(span).append("by " + "Anonymous" + ": " + "just now");


    return false;

  socket.on("received", data => {
    let li = document.createElement("li");
    let span = document.createElement("span");
    var messages = document.getElementById("messages");
    messages.appendChild(span).append("by " + "anonymous" + ": " + "just now");
    console.log("Hello bingo!");


Clone this repository and run

npm install

Then run:

npm start

goto your browser

and visit localhost:5000 and start chatting.


You should have mongoDB installed and started for this application to work correctly.

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