possible bug with button

[j-f1]

Alternatively, you can use the new built-in download-as-CSV functionality:

Downloadable Cells

Hello all, We’ve just pushed out an update that makes cells conveniently downloadable from the cell menu — in the style of Mike’s useful Saving SVG notebook. Here’s a quick example: https://user-images.githubusercontent.com/4732/55582171-a94d1480-56d3-11e9-9df7-288878fbeb16.gif(image larger than 4096KB) Data cells should be downloadable as CSV (if CSV-shaped), and in all cases as JSON. SVG cells should be downloadable as SVG or PNG. Canvas cells should be downloadable as PNG. Please let u…