Using the JavaScript API and jQuery's save and content methods, you can copy the values of binary attributes. The following code copies the value of the binary attribute whose DOM-ID is source_binary_field to the binary attribute named target_binary_field:

You can also have an existing binary copied to a new page while creating it:

It is also possible to change the file name and the content type of the copied binary using the copy function of the binary content and providing the filename or content_type option, or both: