13shops.co.il Abandonment cart GTM tegs

<script>
    /*
    for pages:
    www.13shops.co.il/cart-checkout/
    www.13shops.co.il/cart/
    */

    (function() {
        function updateProductQuantity() {
            var cartProductList = document.querySelectorAll('.cart-item, tr[class*="line-item product-"]');
            window.localStorage.setItem('cart_item_quantity', cartProductList.length);
        }
        updateProductQuantity();
        setTimeout(updateProductQuantity, 2000);
    })();
</script>

<script>
    /*
    for page:
    www.13shops.co.il/thanks/
    */

    (function() {
        window.localStorage.setItem('cart_item_quantity', 0);
    })();
</script>