WebSocket,建立

(function () {
        var socket = new WebSocket('');
        socket.onmessage = function (event) {
            document.getElementById('audio').play();
            console.log(event);
        };
        socket.onopen = function (event) {
            console.log(event);
        };
        socket.onclose = function (event) {
            console.log(event);
        };

    })()