costapy/static/js/roles.js

var token    = document.getElementById("form-token"      ).value;
const lister = document.getElementById("lister");

sendHttpRequest("/api/auth/roles/list", "POST", null,
    function (error, response) {
        if (error) console.error("Error:", error);
        else {
            console.log("JSON Response:", response);
            const ls = JSON.parse(response);

            ls.data.forEach(data => {
                const itemElement = document.createElement("div");
                postElement.innerHTML = `<li>[${data.id}] ${data.name}: ${data.count} User(s)</li>`;
                lister.appendChild(itemElement);
            });
        }
    }, "application/json", `Bearer ${token}`
);