Alternatively, you may also set window.location.href = data_URL. That brings up the "save as" dialog window directly. Nice work, BTW! One nitpick: the link ico

Alternatively, you may also set window.location.href = data_URL. That brings up the "save as" dialog window directly. Nice work, BTW! One nitpick: the link icon looks like a resistor. It's not obvious what it's supposed to do, although once I figured it out, I find it very handy.