WebSocket HANDSHAKING / [127.0.0.1:52213]
WebSocket DISCONNECT / [127.0.0.1:52213]

class Websocket(WebsocketConsumer):
    async def websocket_connect(self, message):
        await self.send({
            "type": "websocket.accept",
        })

    async def websocket_receive(self, message):
        print(message)
        await asyncio.sleep(1)
        await self.send({
            "type": "websocket.send",
            "text": "pong",
        })

let websocket = new WebSocket("ws://127.0.0.1:8000");

websocket.onmessage = function (event) {console.log(event.data)};