The open handler is executed 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 | Comment |
|---|---|---|
| HTML Living Standard The definition of 'WebSocket' in that specification. |
Living Standard | Initial definition |
Browser compatibility
No compatibility data found. Please contribute data for "api.WebSocket.open" (depth: 1) to the MDN compatibility data repository.
See also
Document Tags and Contributors
Last updated by:
irenesmith,