diff --git a/[esx]/esx_identity/html/js/script.js b/[esx]/esx_identity/html/js/script.js
index 936c164d..4dd4b127 100644
--- a/[esx]/esx_identity/html/js/script.js
+++ b/[esx]/esx_identity/html/js/script.js
@@ -1,37 +1,34 @@
 $(document).ready(function () {
-  $.post("http://esx_identity/ready", JSON.stringify({}));
+  $.post('http://esx_identity/ready', JSON.stringify({}));
 
-  window.addEventListener("message", function (event) {
-    if (event.data.type === "enableui") {
+  window.addEventListener('message', function (event) {
+    if (event.data.type === 'enableui') {
       event.data.enable ? $(document.body).show() : $(document.body).hide();
     }
   });
 
-  $("#register").submit(function (event) {
+  $('#register').submit(function (event) {
     event.preventDefault();
 
-    const dateCheck = new Date($("#dateofbirth").val());
+    const dofVal = $('#dateofbirth').val();
+    if (!dofVal) return;
 
-    const year = new Intl.DateTimeFormat("en", { year: "numeric" }).format(
-      dateCheck
-    );
-    const month = new Intl.DateTimeFormat("en", { month: "2-digit" }).format(
-      dateCheck
-    );
-    const day = new Intl.DateTimeFormat("en", { day: "2-digit" }).format(
-      dateCheck
-    );
+    const dateCheck = new Date(dofVal);
+
+    const year = new Intl.DateTimeFormat('en', { year: 'numeric' }).format(dateCheck);
+    const month = new Intl.DateTimeFormat('en', { month: '2-digit' }).format(dateCheck);
+    const day = new Intl.DateTimeFormat('en', { day: '2-digit' }).format(dateCheck);
 
     const formattedDate = `${day}/${month}/${year}`;
 
     $.post(
-      "http://esx_identity/register",
+      'http://esx_identity/register',
       JSON.stringify({
-        firstname: $("#firstname").val(),
-        lastname: $("#lastname").val(),
+        firstname: $('#firstname').val(),
+        lastname: $('#lastname').val(),
         dateofbirth: formattedDate,
         sex: $("input[type='radio'][name='sex']:checked").val(),
-        height: $("#height").val(),
+        height: $('#height').val(),
       })
     );
   });