Question

I want to show the Save as dialog box when a user clicks an HTML button.
I am using DOJO and JavaScript.
In IE document.exec comes to rescue but in Firefox one needs to make changes in filesystem to use NSI.

Any idea will be appreciated.

Answer 1

You can force the browser to download some data using a data url:

content = "This is the text for downloading";
window.location.href = "data:application/octet-stream,"+
          encodeURIComponent(content); 

The main problem with this is that the user will not be able to choose a filename and the generated filename is some random hash. If you don’t mind using Flash, you could use Downloadify, this will give you more control over the Save dialog.