Added Error Handling and Messages

login.js

@@ -11,6 +11,7 @@ form.addEventListener("submit", async function(event) {
     uname = formData.get('uname');
     pin = formData.get('pin');
 
+    try {
     const loginInfo = await loginFetch();
 
     if (loginInfo === "pin matches") {
@@ -18,7 +19,9 @@ form.addEventListener("submit", async function(event) {
     } else if (loginInfo === "Incorrect pin" || loginInfo === `User ${uname} does not exist.`) {
         incorrectLogin()
     }
-    
+    } catch {
+        document.querySelector("#incorrect").innerHTML = 'An Error has Occurred. Try again later.'
+    }
 })
 
 async function loginFetch() {

loginchange.js

@@ -33,6 +33,7 @@ form.addEventListener("submit", async function(event) {
         newPin = pin
     }
    
+    try {
     const userNotFound = await getUname();
 
     if (userNotFound !== `User ${uname}`) {
@@ -40,6 +41,9 @@ form.addEventListener("submit", async function(event) {
     } else {
       loginChange()
     }
+    } catch {
+      document.querySelector("#incorrect").innerHTML = 'An Error has Occurred. Try again later.'
+    }
 })
 
 async function getUname() {
@@ -56,5 +60,6 @@ const rawResponse = await fetch(`${API_URL}/api/users/change/${uname}/${pin}/${n
     },
     body: ""
 });
-//rawResponse.then(window.location.replace("http://127.0.0.1:5500/login.html"))
+document.querySelector("#incorrect").innerHTML = 'Login Changed!'
+window.location.replace("http://127.0.0.1:5500/login.html")
 }

register.js

@@ -22,6 +22,7 @@ form.addEventListener("submit", async function(event) {
       pronouns = selected
     }
     
+    try {
     const isTaken = await getUname();
 
     if (isTaken === `User ${uname}`) {
@@ -30,6 +31,9 @@ form.addEventListener("submit", async function(event) {
     } else {
       register()
     }
+    } catch {
+      document.querySelector("#taken").innerHTML = 'An Error has Occurred. Try again later.'
+    }
 })
 
 async function getUname() {
@@ -46,6 +50,7 @@ const rawResponse = await fetch(`${API_URL}/api/register/${uname.toString().toLo
     },
     body: ""
 });
-//rawResponse.then(window.location.replace("http://127.0.0.1:5500/login.html"))
+document.querySelector("#taken").innerHTML = 'Registered!'
+window.location.replace("http://127.0.0.1:5500/login.html")
 }