WebSocket: open event - Web APIs 编辑

The open event is fired when a connection with a WebSocket is opened.

Examples

// Create WebSocket connection.
const socket = new WebSocket('ws://localhost:8080');

// Connection opened
socket.addEventListener('open', (event) => {
  socket.send('Hello Server!');
});

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• WebSocket: close event
• WebSocket: error event
• WebSocket: message event
• Writing WebSocket client applications