WebSocket - Web APIs

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Enqueues data to be transmitted.

Events

Listen to these events using addEventListener() or by assigning an event listener to the oneventname property of this interface.


       close

Fired when a connection with a


     WebSocket

is closed. Also available via the


     onclose

property


       error

Fired when a connection with a


     WebSocket

has been closed because of an error, such as when some data couldn't be sent. Also available via the


     onerror

property.


       message

Fired when data is received through a


     WebSocket

. Also available via the


     onmessage

property. Fired when a connection with a


     WebSocket

is opened. Also available via the


     onopen

property.

Examples

// Create WebSocket connection.
const socket = new WebSocket("ws://localhost:8080");
// Connection opened
socket.addEventListener("open", (event) => {
  socket.send("Hello Server!");
});
// Listen for messages

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