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index.js
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index.js
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const form = document.getElementById("generate-form");
const Qr = document.getElementById("qr");
const onGenerateSubmit = (e) =>{
e.preventDefault();
clearUI();
const url = document.getElementById('url').value;
const size = document.getElementById('size').value;
if (url === ''){
alert('Please enter a URL');
}else{
setTimeout(() =>{
generatQRcode(url,size);
setTimeout(() =>{
const saveUrl = Qr.querySelector('img').src;
createSaveBtn(saveUrl);
},50)
},1000)
}
};
const generatQRcode = (url, size) =>{
const qrcode = new QRCode('qr',{
text: url,
width: size,
height: size,
})
}
const clearUI= () => {
Qr.innerHTML= ' ';
const saveLink = document.getElementById('save-link');
if (saveLink)
saveLink.remove();
};
const createSaveBtn= (saveUrl) => {
const link =document.createElement('a');
link.id= 'save-link';
link.classList=
link.href= saveUrl;
link.download ='qr';
link.innerHTML= 'Save Image';
document.getElementById('qr').appendChild(link);
};
form.addEventListener('submit', onGenerateSubmit);