const {ccclass, property} = cc._decorator; @ccclass export default class NetStuidy extends cc.Component { start () { let ws = new WebSocket("ws://echo.websocket.org"); ws.onopen = function (event) { console.log("Send Text WS was opened."); }; ws.onmessage = function (event) { console.log("response text msg: " + event.data); }; ws.onerror = function (event) { console.log("Send Text fired an error"); }; ws.onclose = function (event) { console.log("WebSocket instance closed."); }; setTimeout(function () { if (ws.readyState === WebSocket.OPEN) { ws.send("Hello WebSocket, I'm a text message."); } else { console.log("WebSocket instance wasn't ready..."); } }, 3); } }