QR-Code-Generator

Genen Sie eine URL oder einen Text ein

qr-code

Quellcode
<html>
<head>

<style>
*{margin: 0; padding: 0; box-sizing: border-box;}
::selection{color: #fff; background: #3498DB;}
.wrapper{height: 265px; max-width: 410px; background: #fff; border-radius: 7px; padding: 20px 25px 0; transition: height 0.2s ease; box-shadow: 0 10px 30px rgba(0,0,0,0.1);}
.wrapper.active{height: 530px;}
header h1{font-size: 21px; font-weight: 500;}
header p{margin-top: 5px; color: #575757; font-size: 16px;}
.wrapper .form{margin: 20px 0 25px;}
.form :where(input, button){width: 100%; height: 55px; border: none; outline: none; border-radius: 5px; transition: 0.1s ease;}
.form input{font-size: 18px; padding: 0 17px; border: 1px solid #999;}
.form input:focus{box-shadow: 0 3px 6px rgba(0,0,0,0.13);}
.form input::placeholder{color: #999;}
.form button{color: #fff; cursor: pointer; margin-top: 20px; font-size: 17px; background: #3498DB;}
.qr-code{opacity: 0; display: flex; padding: 33px 0; border-radius: 5px; align-items: center; pointer-events: none; justify-content: center; border: 1px solid #ccc;}
.wrapper.active .qr-code{opacity: 1; pointer-events: auto; transition: opacity 0.5s 0.05s ease;}
.qr-code img{width: 170px;}
@media (max-width: 430px){
.wrapper{height: 255px; padding: 16px 20px;}
.wrapper.active{height: 510px;}
header p{color: #696969;}
.form :where(input, button){height: 52px;}
.qr-code img{width: 160px;} }
</style>
</head>

<body>
 <div class="wrapper">
<header>
<p>Genen Sie eine URL oder einen Text ein</p>
</header>
<div class="form">
<input type="text" spellcheck="false" placeholder="Enter text or url">
<button>Generiere QR Code</button>
</div>
<div class="qr-code">
<img src="" alt="qr-code">
</div>
</div>
<script>
const wrapper = document.querySelector(".wrapper"),
qrInput = wrapper.querySelector(".form input"),
generateBtn = wrapper.querySelector(".form button"),
qrImg = wrapper.querySelector(".qr-code img");
let preValue;
generateBtn.addEventListener("click", () => {
let qrValue = qrInput.value.trim();
if(!qrValue || preValue === qrValue) return;
preValue = qrValue;
generateBtn.innerText = "Generiere den Code...";
qrImg.src = `https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${qrValue}`;
qrImg.addEventListener("load", () => {
wrapper.classList.add("active");
generateBtn.innerText = "Generiere QR Code";});});
qrInput.addEventListener("keyup", () => {
if(!qrInput.value.trim()) {
wrapper.classList.remove("active");
preValue = "";}});
</script>
</body>

</html>