[1] FileSaver.js/FileSaver.js at master · eligrey/FileSaver.js (1/27/2016, 3:22:23 AM 版) <https://github.com/eligrey/FileSaver.js/blob/master/FileSaver.js#L103>
target_view.location.href = "data:attachment/file" + base64Data.slice(base64Data.search(/[,;]/));
Google search: attachment/file