input-file-preview Demodata-preview attribute
* Files larger than 10 MiB or files in formats other than image / audio / video will not be previewed and an error message will be displayed.
multiple, data-preview, data-max-size attribute
* Files larger than 1 MiB (data-max-size="1048576") or files in formats other than image / audio / video will not be previewed and an error
message will be displayed.