🤖 Cannot save fiddle

[nguyendophutrong21-commits]

Error code

ERRW:0.75:L0.75:AS

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ngtro

Your HTML

<h2>🎨Bấm để đổi màu nền</h2>
    <button onclick="doiMauNen()">Đổi màu nền</button>

Your JavaScript

function doiMauNen() {
            const cacMau = ["lightblue","lightgreen","lightpink","lavender","beige","salmon"];
            const MauNgauNhien = cacMau[Math.floor(Math.random()*cacMau.length)];
            document.body.style.backgroundColor = MauNgauNhien;
        }

Your CSS

no