update index.js

src/page/index.js

@@ -26,11 +26,12 @@ PAGES.index = {
       qrscan, { fps: 10, qrbox: 250 });
     
     function onScanSuccess(decodedText, decodedResult) {
+      html5QrcodeScanner.clear();
       // Handle on success condition with the decoded text or result.
       // alert(`Scan result: ${decodedText}`, decodedResult);
       setUrlHash(decodedText)
       // ...
-      html5QrcodeScanner.clear();
+      
       // ^ this will stop the scanner (video feed) and clear the scan area.
       
     }