Download textarea contents as a file using only Javascript (no server-side)

Question

I am being asked to make a \"download\" button that downloads the contents of a textarea on the same page as a file, with the browser\'s \"Save As...\" dialog showing up. Co

Answer 1

It might be possible by creating a frame, writing contents there, then calling document.execCommand('saveas', ...) in IE and something with nsIFilePicker in Mozilla, but I believe that would require some extraordinary privileges (like being part of the browser itself).