JSFiddle - React, Tailwind, and code Playground

HTML

<a href="data:image/octet-stream;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==" download="image.png" id="embedIm">Download</a>

JavaScript

var img = document.getElementById('embedIm');
                if( document.createEvent ) {
                  var evObj = document.createEvent('MouseEvents');
                  evObj.initEvent( 'click', true, false );
                  img.dispatchEvent(evObj);
                } else if( document.createEventObject ) {
                  img.fireEvent('on'+evt);
                }