Creates an array of HTMLSourceElement elements from a list of URLs.
Useful for providing native browser fallback for video and audio elements,
where the browser automatically tries the next when one fails.
Parameters
urls: (string | URL)[]
Ordered list of blob URLs to try
Optionaltype: string
Optional MIME type to set on each source element (e.g. "video/mp4", "audio/ogg")
Creates an array of HTMLSourceElement elements from a list of URLs. Useful for providing native browser fallback for video and audio elements, where the browser automatically tries the next when one fails.