JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/rollups/aes.js"></script>
JavaScript
var encryptedAES = CryptoJS.AES.encrypt("Message", "My Secret Passphrase");
var decryptedBytes = CryptoJS.AES.decrypt(encryptedAES, "My Secret Passphrase");
var plaintext = decryptedBytes.toString(CryptoJS.enc.Utf8);
alert(plaintext);