//fetch: send a url request, client side rendering
//update the list, by default: fetch uses get
fetch('/get-todos', {method: 'GET'}). then((response) => {
    response.json(). then((data) => {
        const ol = document.querySelector('ol');
        data.forEach((item) => {
            //Create li
            const li = document.createElement('li');
            //add text to li
            li.textContent = item;
            //add li underneath (child) ol
            ol.appendChild(li);
        })
    });
});