Beispiel:JS-Window-atob-einfach.html
Aus SELFHTML-Wiki
<!doctype html>
<html lang="de">
<head>
<title>atob</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="./Beispiel:SELFHTML-Beispiel-Grundlayout.css" />
<script>
document.addEventListener('DOMContentLoaded', function(evt) {
document.getElementById('enc').addEventListener('click', decode);
});
function decode() {
let ein = document.getElementById('ein').value;
let b64 = btoa(ein);
let ab = ein === atob(b64) ? '☑' : '☒';
document.getElementById('aus').textContent = ab + ' ' + b64;
}
</script>
</head>
<body>
<h1>atob</h1>
<form>
<p><label>Klartext: <input type="text" id="ein"/></label><p>
<button id="enc" type="button">Encodieren</button>
<p><label>Base64: <output id="aus"></output></p>
</form>
</body>
</html>
