require('socket.io')(http) code example
Example 1: socket io script
<script src="/socket.io/socket.io.js"></script>
<script>
const socket = io();
</script>
Example 2: js socket.emit
const socket = io('ws://localhost:3000');
socket.on('connect', () => {
// either with send()
socket.send('Hello!');
// or with emit() and custom event names
socket.emit('salutations', 'Hello!', { 'mr': 'john' }, Uint8Array.from([1, 2, 3, 4]));});
// handle the event sent with socket.send()
socket.on('message', data => {
console.log(data);
});
// handle the event sent with socket.emit()
socket.on('greetings', (elem1, elem2, elem3) => {
console.log(elem1, elem2, elem3);
});