function list() { fetch(`${config.apiBase}/user/list`, { method: "GET", credentials: "same-origin", }) .then(response => response.json()) .then(data => { if (data.status !== 200) { alert(data.error); console.log(data); } else { let sum = 0; data.tasks.forEach(task => { let row = document.getElementById("list").insertRow(); row.insertCell().innerText = task.description; row.insertCell().innerText = task.issuer; row.insertCell().innerText = task.points; sum += task.points; }); document.getElementById("sum").innerText = sum; } }) .catch(error => { console.log(error); }); } list();