JSFiddle - React, Tailwind, and code Playground

HTML

<a class="link">Test</a>

JavaScript

var csv = 'testing,testing,testing';
var csvData = 'data:application/csv;charset=utf-8,' + csv;
var filename = 'test.csv';

$('.link').attr({
  'download': filename,
  'href': csvData,
  'target': '_blank'
});