login page

static/js/login.js

@@ -0,0 +1,18 @@
+async function login() {
+    let username = document.getElementById("username").value;
+    let password = document.getElementById("password").value;
+    let code = await fetch("/login",
+    {method: "POST", body: JSON.stringify({"username": username, "password": password})})
+    .then(r => {
+        if (r.status === 400) {
+            let message = document.getElementById("message");
+            message.textContent = "Mauvais mot de passe/nom d'utilisateur!";
+        } else {
+            window.location.href = "/"}
+    });
+}
+
+let button = document.getElementById("connect");
+button.addEventListener("click", () => {
+    let _ = login();
+})