WebSocket: open event
The open event is fired when a connection with a WebSocket is opened.
| Bubbles | No |
|---|---|
| Cancelable | No |
| Interface | Event |
| Event handler property | onopen |
Examples
// Create WebSocket connection.
const socket = new WebSocket('ws://localhost:8080');
// Connection opened
socket.addEventListener('open', (event) => {
socket.send('Hello Server!');
});Specifications
| Specification | Status |
|---|---|
| HTML Living Standard The definition of 'WebSocket open' in that specification. |
Living Standard |
Browser compatibility
BCD tables only load in the browser