const http = (function () {

        const send = (url, method, body) => {

            const payload = {
                headers: {
                    "Content-Type": "application/json",
                },
                method,
                body: JSON.stringify(body)
            };

            return fetch(url, payload)
                .then(response =>{
                console.log(response.json());
            response.json()
        } );
        };

        const post = (url, body) => send(url, 'POST', body);

        const get = (url) => send(url, 'GET', null);

        return {send, post, get};

    }());

    $("#logout").on('click', (ev) => {

    http.post("/users/logout")
        .then(() => {window.location = '/users/login?logout'});

    ev.preventDefault();
    return false;
    })