fixed event listener definition

resources/js/result-saver.js

@@ -12,11 +12,11 @@ document.addEventListener("DOMContentLoaded", (event) => {
   if(document.readyState == 'complete'){
     initResultSaver();
   }else{
-    document.onreadystatechange = e => {
+    document.addEventListener("readystatechange", e => {
       if (document.readyState === 'complete') {
         initResultSaver();
       }
-    };
+    });
   }
 });
 

resources/js/scriptResultPage.js

@@ -2,11 +2,11 @@ document.addEventListener("DOMContentLoaded", (event) => {
   if(document.readyState == 'complete'){
     initialize();
   }else{
-    document.onreadystatechange = e => {
+    document.addEventListener("readystatechange", e => {
       if (document.readyState == 'complete') {
         initialize();
       }
-    };
+    });
   }
 });