How to prompt save as option for user to download file using chrome?

Question

I have method that is downloading file whenever this method called it is working as expected, I just see difference in browser in IE user has option to save As file but in c

Answer 1

Well, why dont you use regular confirm?

if (confirm('Save As a File?')) {

   FileSaver.saveAs(blob, 'server.log');
}

Answer 2

What you are asking isn't possible.
It's a user preference

ref: http://www.howtogeek.com/231002/how-to-change-the-chrome-download-folder-location/

The only thing you can do is letting the user rename server.log inside a input element or a window.prompt before saving

saveAs(blob, prompt('Filename?', 'server.log') || 'server.log');