Hide Bootstrap modal after account's ready

app/templates/auth/SignUp.html

@@ -21,11 +21,8 @@
         })
 
         socket.on( 'account ready', function( msg ) {
-            let element = document.getElementById("notification_window");
-            element.parentNode.removeChild(element);
-            element.innerHTML = " ";
-            alert("Account creation successful!");
-
+          $('#myModal').modal('hide');
+          alert("Account has been created!");
         })
 
         socket.on( 'Account creation failed', function( msg ) {