How to operate nodejs using websocket

This time I will show you how to operate nodejs using websocket, and what are the precautions for operating nodejs using websocket. The following is a practical case, let's take a look.

Installation：

npm install ws

Server (nodejs):

var WebSocketServer = require('ws').Server,
wss = new WebSocketServer({ port: 8080 });
wss.on('connection', function (ws) {
console.log('client connected');
ws.on('message', function (message) {
  console.log(message);
});
});

Client:

<script>
var ws = new WebSocket("ws://localhost:8080");
ws.onopen = function (e) {
  console.log('Connection to server opened');
  sendMessage();
}
function sendMessage() {
  ws.send('hello');
}
</script>

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

Recommended reading:

How to operate nodejs to render page resources through response writeback

How to use vue to implement the drop-down list function

The above is the detailed content of How to operate nodejs using websocket. For more information, please follow other related articles on the PHP Chinese website!