html5 a download attribute doesn't work when the url is a blob url ...

This attribute signifies that the browser should download the resource the anchor points to rather than navigate to it.

The <a> HTML element (or anchor element), with its href attribute, creates a hyperlink to web pages, files, email addresses, locations in the same page, ...

The download attribute only works for same-originl URLs. So if the href is not the same origin as the site, it won't work.

This code creates a file which is downloaded, but does not contain the newline which the article said was ' '. So I did a search to see what other character ...

When I click the link, it doesn't download the Image, it opens it in a new window. I have tried it on Edge, Chrome and Firefox, and the result is the same.

The download attribute is part of the HTML5 spec and expresses a link as download link rather than a navigational link.

When you add the download attribute, it will turn that into a download link. Prompting your file to be downloaded. The downloaded file will have the same name ...

The download attribute specifies that the target (the file specified in the href attribute) will be downloaded when a user clicks on the hyperlink.

The download attribute allows us to force media file downloads onto the user's computer or mobile device. Example: <a href=htmldoc.html download>Download ...