WebSocket 客户端实例

Node.js 

var ws = require("ws");

var socket = new ws("ws://127.0.0.1:8001);

var socket.on("open", function () {
    if (socket.readyState == 1) {
        var msg = {};
        msg.status = 'ok';
        socket.send(JSON.stringify(msg));
    }
});

var socket.on("error", function (err) {
    console.log("error: ", err);
});

var socket.on("close", function () {
    console.log("close");
});

var socket.on("message", function (e) {
    var data = JSON.parse(e.data);
});

浏览器

var ws = new WebSocket("ws://127.0.0.1:8001");
ws.onopen = function () {
    console.log("ws connected!");
};
ws.onerror = function (e) {
    var strErr = '';
    for ( var p in e) {
        strErr += p + "=" + e[p]+"\n";
    }
    console.log("ws error occured!\n"+strErr);
};
ws.onclose = function (e) {
    console.log("ws closed! code:["+e.code+"] msg:"+e.reason)
};
ws.onmessage = function (e) {
    var data = JSON.parse(e.data);
};