: Generate text on the fly and trigger a download without a server file.
: You can specify a filename, e.g., download="my-code-snippet.txt" .
: Setting Content-Type: application/octet-stream is a "nuclear option" that forces a download prompt because the browser won't know how to render it. Stack Overflow 💾 Advanced Options
The most straightforward way to ensure a browser downloads a .txt file instead of simply opening it in a new tab is the download attribute. Stack Overflow : Add download to your anchor tag.