// Script.js 
// create a new QRCode instance 
let qrcode = new QRCode( 
	document.querySelector(".qrcode")
); 


// Initial QR code generation 
// with a default message 
qrcode.makeCode('http://www.cieklin-ski.pl/serwis/z-regionu/wielki-blekit-barbara-lis-fotorelacja-z-wernisazu-461'); 

// Function to generate QR 
// code based on user input 
function generateQr() { 
	if ( 
		document.querySelector("input") 
			.value === "" || 
		document.querySelector("input") 
			.value === " ") { 
		alert( 
			"Input Field Can not be blank!"
		);} 
	else { 
		qrcode.makeCode( 
			document.querySelector( 
				"input"
			).value); 
}}