Untitled

<body>
  <script src="app.js"></script>
  <script src="https://sdk.amazonaws.com/js/aws-sdk-2.169.0.min.js">
</script>
</body>

AWS.config.update({
  region: 'us-east-1',
  accessKeyId: 'XXXXXXXXXX',
  secretAccessKey: 'XXXXXXXXXXXX',
});
var s3 = new AWS.S3();

s3.putObject({
  Bucket: 'MyBucket',
  Key: 'del2.txt',
  Body: "base64data",
  ACL: 'public-read',
}, function(res) {
  console.log(arguments);
  console.log('Successfully uploaded package.');
});

var script = document.createElement('script');
script.src ="aws cdn";
document.getElementsByTagName('head')[0].appendChild(script);
//rest of existing app.js code.