view specific posts

client/script.js

@@ -1,5 +1,4 @@
-function like(id) {
-
+async function like(id) {
     const usernameBox = document.getElementById('username');
     const passwordBox = document.getElementById('password');
 
@@ -8,8 +7,12 @@ function like(id) {
     formData.append('password', passwordBox.value);
     formData.append('post', id);
 
-    fetch('/like', {
-      method: 'POST',
-      body: formData
+    const result = await fetch('/like', {
+        method: 'POST',
+        body: formData
     });
+
+    if (result.status < 200 || result.status >= 400) {
+        alert("your post didnt get the like because the server thought your opinion was invalid");
+    }
 }