JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.9-1/crypto-js.min.js"></script>
JavaScript
const key = CryptoJS.enc.Utf8.parse('secret');
let msg = 'AAAAAAAAAAAAAAAA'
for (let i = 0; i < 20; i++) {
msg += 'B'
document.body.innerHTML += CryptoJS.AES.encrypt(msg, key, {
mode: CryptoJS.mode.ECB,
}).toString();
document.body.innerHTML += '<br>';
}