const myInterval = setInterval(() => {
    const pro = document.querySelectorAll(".s-product-card-entry .form__wrapper");

    console.log(pro);

    if (pro.length > 0) {
        console.log("العناصر موجودة");

        pro.forEach(item => {
            item.insertAdjacentHTML(
                "afterbegin",
                `<a
    href="https://wa.me/0563999662"
    target="_blank"
    class="whatsapp-btn"
>
    احجز الآن
</a>`
            );
        });

    clearInterval(myInterval);
    } else {
        console.log("العناصر مش موجودة");
    }
}, 500);