Profile: hristian.dimov

<button type="button" class="minus decrease left">
    <span>-</span>
</button>
@Html.TextBoxFor(model => model.EnteredQuantity, new {@class = "qty-input left"})
<button type="button" class="plus increase left">
    <span>+</span>
</button>

<script>
    $(document).ready(function() {
        function incrementQuantityValue(event) {
            event.preventDefault();
            event.stopPropagation();
            var input = $(this).siblings('.qty-input');
            var value = parseInt(input.val());
            if (isNaN(value)) {
                input.val(1);
                return;
            }
            value++;
            input.val(value);
                
            input.trigger('input');
        }
        function decrementQuantityValue(event) {
            event.preventDefault();
            event.stopPropagation();
            var input = $(this).siblings('.qty-input');
            var value = parseInt(input.val());
            if (isNaN(value)) {
                input.val(1);
                return;
            }
            if (value <= 1) {
                return;
            }
            value--;
            input.val(value);

            input.trigger('input');
        }
        function handlePurchaseQuantityValue() {
            $(document).on('click', '.add-to-cart .increase, .cart .increase', incrementQuantityValue);
            $(document).on('click', '.add-to-cart .decrease, .cart .decrease', decrementQuantityValue);
        }
    });
</script>