Quantity selector not working on collection page

Store Design
, ,
1

Hi there,

I am trying to create a quantity selector that works on the collection page.

However, I am unable to get the quantity selector to work. Adding to cart button works fine.

<tbody class="product__table__body">
              <!-- CUSTOM CONTENT -->
              {%- for product in collection.products -%}
                <tr class="grid__item__table">
                  <td>{{ product.title }}</td>
                {%- for variant in product.variants -%}
                  <td>{{ variant.inventory_quantity }}</td>
                {%- endfor -%}
                  <td><span style="text-decoration:line-through; opacity:0.8;">{{ product.compare_at_price | money }}</span><br><b style="color:#00CC8F;">{{ product.price | money }}</b></td>

                <product-form class="product-form">
                                <td>
                <div class="product-form__input product-form__quantity{% if settings.inputs_shadow_vertical_offset != 0 and settings.inputs_shadow_vertical_offset < 0 %} product-form__quantity-top{% endif %}" {{ block.shopify_attributes }}>

              <quantity-input class="quantity">
                <button class="quantity__button no-js-hidden" name="minus" type="button">
                  <span class="visually-hidden">{{ 'products.product.quantity.decrease' | t: product: product.title | escape }}</span>
                  {% render 'icon-minus' %}
                </button>
                <input class="quantity__input"
                    type="number"
                    name="quantity"
                    id="Quantity-{{ product.selected_or_first_available_variant.id }}"
                    min="1"
                    value="1"
                    form="{{ product_form_id }}"
                  >
                <button class="quantity__button no-js-hidden" name="plus" type="button">
                  <span class="visually-hidden">{{ 'products.product.quantity.increase' | t: product: product.title | escape }}</span>
                  {% render 'icon-plus' %}
                </button>
              </quantity-input>
            </div>
                </td>
                
                <td>
                      
                <div style="margin-bottom:0px;" class="product-form__error-message-wrapper" role="alert" hidden>
                  <svg aria-hidden="true" focusable="false" role="presentation" class="icon icon-error" viewBox="0 0 13 13">
                    <circle cx="6.5" cy="6.50049" r="5.5" stroke="white" stroke-width="2"/>
                    <circle cx="6.5" cy="6.5" r="5.5" fill="#EB001B" stroke="#EB001B" stroke-width="0.7"/>
                    <path d="M5.87413 3.52832L5.97439 7.57216H7.02713L7.12739 3.52832H5.87413ZM6.50076 9.66091C6.88091 9.66091 7.18169 9.37267 7.18169 9.00504C7.18169 8.63742 6.88091 8.34917 6.50076 8.34917C6.12061 8.34917 5.81982 8.63742 5.81982 9.00504C5.81982 9.37267 6.12061 9.66091 6.50076 9.66091Z" fill="white"/>
                    <path d="M5.87413 3.17832H5.51535L5.52424 3.537L5.6245 7.58083L5.63296 7.92216H5.97439H7.02713H7.36856L7.37702 7.58083L7.47728 3.537L7.48617 3.17832H7.12739H5.87413ZM6.50076 10.0109C7.06121 10.0109 7.5317 9.57872 7.5317 9.00504C7.5317 8.43137 7.06121 7.99918 6.50076 7.99918C5.94031 7.99918 5.46982 8.43137 5.46982 9.00504C5.46982 9.57872 5.94031 10.0109 6.50076 10.0109Z" fill="white" stroke="#EB001B" stroke-width="0.7">
                  </svg>
                  <span class="product-form__error-message"></span>
                </div>

                {%- form 'product', product, id: product_form_id, class: 'form', novalidate: 'novalidate', data-type: 'add-to-cart-form' -%}
                  <input type="hidden" name="id" value="{{ product.selected_or_first_available_variant.id }}" disabled>
                  <div class="product-form__buttons">
                    <button
                      style="margin-top:1.5rem;margin-bottom:1.5rem;margin-left:auto;margin-right:auto;display:flex;"
                      type="submit"
                      name="add"
                      class="product-form__submit button {% if block.settings.show_dynamic_checkout and product.selling_plan_groups == empty %}button--secondary{% else %}button--primary{% endif %}"
                    {% if product.selected_or_first_available_variant.available == false %}disabled{% endif %}
                    >
                        <span>
                          {%- if product.selected_or_first_available_variant.available -%}
                            {{ 'products.product.add_to_cart' | t }}
                          {%- else -%}
                            {{ 'products.product.sold_out' | t }}
                          {%- endif -%}
                        </span>
                        <div class="loading-overlay__spinner hidden">
                          <svg aria-hidden="true" focusable="false" role="presentation" class="spinner" viewBox="0 0 66 66" xmlns="http://www.w3.org/2000/svg">
                            <circle class="path" fill="none" stroke-width="6" cx="33" cy="33" r="30"></circle>
                          </svg>
                        </div>
                    </button>
                    {%- if block.settings.show_dynamic_checkout -%}
                      {{ form | payment_button }}
                    {%- endif -%}
                  </div>
                {%- endform -%}
              
                    
                    
                    
                  </td>
                </product-form>
                </tr>
              {%- endfor -%}
              <!-- END CUSTOM CONTENT -->           
            </tbody>

What am I missing? I have been trying everything I can come up with for hours but I can’t seem to fix it.

I want to note that I got it to work once a while ago but after making some edits it broke again.

Kind regards,

2

When using multiple add-to-carts on collection templates make sure each form and it’s related inputs all point to a unique element id.

Check that the liquid variable product_form_id is actually unique per product form.

Then use a browsers devtools network panel check what the form is actually submitting.

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