``` export const download = (url) => { var isChrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1; var isSafari = navigator.userAgent.toLowerCase().indexOf('safari') > -1; if (isChrome || isSafari) { var link = document.createElement('a'); link.href = url; if (link.download !== undefined) { var fileName = url.substring(url.lastIndexOf('/') + 1, url.length); link.download = fileName; } if (document.createEvent) { var e = document.createEvent('MouseEvents'); e.initEvent('click', true, true); link.dispatchEvent(e); return true; } } if (url.indexOf('?') === -1) { url += '?download'; } window.open(url, '_self'); return true; } ```