Can i use in browser with frontend only. about vcards-js HOT 5 CLOSED

 var vcf = `BEGIN:VCARD\nVERSION:3.0\nFN;CHARSET=UTF-8:${firstname} ${middlename} ${lastname}\nN;CHARSET=UTF-8:${lastname};${firstname};${middlename};;\nEMAIL;CHARSET=UTF-8;type=HOME,INTERNET:${email}\nTEL;TYPE=HOME,VOICE:${mobile_number}\nTEL;TYPE=WORK,VOICE:${mobile_number2}\nLABEL;CHARSET=UTF-8;TYPE=WORK:${address}\nADR;CHARSET=UTF-8;TYPE=WORK:;;;;;;\nROLE;CHARSET=UTF-8:${dt.d}\nORG;CHARSET=UTF-8:${dt.o}\nURL;type=WORK;CHARSET=UTF-8:${dt.w}\nREV:2020-08-31T03:41:09.870Z\nEND:VCARD`;

                  var imgqr = document.getElementById('qr');

                  imgqr.src = 'https://chart.googleapis.com/chart?cht=qr&chs=340x340&chl=' + vcf.replace(/\n/g,'%0A');

import vCardsJS from 'vcards-js';

const download = (vCardString, fileName) => {
	let fileURL = window.URL.createObjectURL(new Blob([vCardString]));
	let fileLink = document.createElement('a');
	fileLink.href = fileURL;
	fileLink.setAttribute('download', `${fileName}.vcf`);
	document.body.appendChild(fileLink);
	fileLink.click();
};

const generateVCard= (contact) => {
       	//Map the data here accordingly
	vCard.firstName = contact.name;
	
	//Add Other data as listed on documentation
	
	//Stringify it
	const formattedString = vCard.getFormattedString()
	download(formattedString , `filename`);
}