WebSocket ↔ Interface Object & Constructor to access WebSockets API

Source: developer.mozilla.org/en

tsxconst socket = new WebSocket('ws://localhost:8080')

socket.addEventListener("open", e => {
  socket.send("Hello")
})
socket.addEventListener("message", e => {
  console.log("Server message: ", e.data)
})

Websocket Event

Event from websocket can be listened to via addEventListener()

References

1. open ↔ onopen. Websocket Event signal fire when WebSocket connection opened

2. close ↔ onclose. Websocket Event signal fire when WebSocket connection closed

3. error ↔ onerror. Websocket Event signal fire when WebSocket connection closed due to error

4. message ↔ onmessage. Websocket Event signal fire when data received through WebSocket