S3 presigned URL work with Postman but not in ajax

Question

I have ajax code like that:

 $.ajax( {
  url: \'https://vrp-upload.s3.amazonaws.com/aaa.txt?AWSAccessKeyId=ASIAVSGU5CWWWPXGDVZW&Signature=S3WEn%2Fqg71i4iR