Update 11.read-video-requirejs.html

Author: Cube-J

1.hello-world/11.read-video-requirejs.html

@@ -32,7 +32,7 @@ <h1 style="font-size: 1.5em;">Hello World for RequireJS</h1>
 
             BarcodeReader.engineResourcePath = "https://cdn.jsdelivr.net/npm/dynamsoft-javascript-barcode@9.0.1/dist/";
             let pScanner = null;
-            window.onload = async function() {
+            (async function() {
                 try {
                     const scanner = await (pScanner = pScanner || BarcodeScanner.createInstance());
                     scanner.onFrameRead = results => {
@@ -50,9 +50,9 @@ <h1 style="font-size: 1.5em;">Hello World for RequireJS</h1>
                     alert(ex.message);
                     throw ex;
                 }
-            };
+            })();
         })
     </script>
 </body>
 
-</html>
+</html>