I want to encrypt the password on the front-end (vue) login page and send it to the backend (node) for decryption, but I reported an error. 
 I encrypted the password with the same key on the node side, and then I can decrypt it, which is different from the one encrypted by js. What is the reason for this? 
// 
function aesEncrypt(data, key) {
    const cipher = crypto.createCipher("aes-256-ecb", key);
    cipher.setAutoPadding(true);
    var crypted = cipher.update(data, "utf8", "base64");
    crypted += cipher.final("base64");
    return crypted;
}
// 
function aesDecrypt(encrypted, key) {
    const decipher = crypto.createDecipher("aes-256-ecb", key);
    var decrypted = decipher.update(encrypted, "base64", "utf8");
    decrypted += decipher.final("utf8");
    return decrypted;
}
var data = "$admin123456";
var key = "n3JydWaRTRFa7wp7pF4PFbHHYmTrynpH";
var encrypted = aesEncrypt(data, key);
var decrypted = aesDecrypt(encrypted, key);
console.log("Encrypted text: " + encrypted);
console.log("Decrypted text: " + decrypted);is that the wrong thing to write?
