What wrong with this codes?

Zero Hour — Mon, 19 Dec 2022 01:44:02 +0000

It doesn't output. What's the functional fix to it?

const discountFunc = () => {
    let productPrice = 1000;
    let discountCode = ABCD;
    if (productPrice == 1000 && discountCode == ABCD) {
            return document.getElementById("checkOut").innerHTML = productPrice / 2;
        } else {
            return document.getElementById("checkOut").innerHTML = productPrice;
        }
}

<section>
                <button onclick="discountFunc()">Get discount</button>
                <p id="checkOut"></p>
            </section>

DEV Community: Zero Hour

What wrong with this codes?