How to Chunk Upload with Vanilla Javascript to Cloudinary?

When uploading a large media to Cloudinary that's larger than 60mb, you will need to upload in chunk with the following requirements:

1. X-Unique-Upload-Id request header and make sure it's identical (and unique) for all parts.
2. Content-Range request header which is applicable to the location of the chunk in the overall file with the following format: bytes #start-#end/#total
   Example: bytes 0-5999999/22744222.
   Note: If the total size is unknown, set it to -1, except for the last one.
3. Each chunk must be larger than 5MB except for the last one.

Below is the implementation of chunk upload with Vanilla Javascript: