DefinitelyTyped/types/socket.io-client/socket.io-client-tests.ts

function testUsingWithNodeHTTPServer() {
    var socket = io('http://localhost');
    socket.on('news', function (data: any) {
        console.log(data);
        socket.emit('my other event', { my: 'data' });
    });
}

function testUsingWithExpress() {
    var socket = io.connect('http://localhost');
    socket.on('news', function (data: any) {
        console.log(data);
        socket.emit('my other event', { my: 'data' });
    });
}

function testUsingWithTheExpressFramework() {
    var socket = io.connect('http://localhost');
    socket.on('news', function (data: any) {
        console.log(data);
        socket.emit('my other event', { my: 'data' });
    });
}

function testRestrictingYourselfToANamespace() {
    var chat = io.connect('http://localhost/chat')
        , news = io.connect('http://localhost/news');

    chat.on('connect', function () {
        chat.emit('hi!');
    });

    news.on('news', function () {
        news.emit('woot');
    });
}

function testSendingAndGettingData() {
    var socket = io();
    socket.on('connect', function () {
        socket.emit('ferret', 'tobi', function (data: any) {
            console.log(data);
        });
    });
}

function testUsingItJustAsACrossBrowserWebSocket() {
    var socket = io('http://localhost/');
    socket.on('connect', function () {
        socket.emit('hi');

        socket.on('message', function (msg: any) {
        });
    });
}

function testSettingReconnectionAttempts() {
    var manager = io.Manager({ reconnection: true, timeout: 0, reconnectionAttempts: 2, reconnectionDelay: 10 });
}