Only load Stripe.js once

www/assets/js/noticeslip.js

@@ -7,6 +7,7 @@
 var signaturePad = null;
 var frontSlipImg = null;
 var backSlipImg = null;
+var stripeLoaded = false;
 
 function initSignaturePad() {
     var canvas = document.getElementById("signaturecanvas");
@@ -35,7 +36,11 @@ function initNoticeSlipForm() {
     initSignaturePad();
     $("#noticeform #name").attr("placeholder", ["John Doe", "Jane Doe", "Dave S. Nothereman", "Sara N. Ignatur"].random());
     $("#noticeform #zip").attr("placeholder", ["59601", "59602"].random());
-    $.getScript("https://js.stripe.com/v3");
+    if (!stripeLoaded) {
+        $.getScript("https://js.stripe.com/v3", function () {
+            stripeLoaded = true;
+        });
+    }
 }
 
 function takeDocPhoto(side) {