plus button not works in product list

[gantz37]

hi everyone,

 

i ve follow this topic https://www.prestashop.com/forums/topic/332513-solvedhow-to-add-quantity-in-product-list-16/?p=1823659

to add quantity field in product list

 

i use prestashop 1.6 and default theme

 

everything gone fine exept for plus button doesn't works (minus button works fine)

<p id="quantity_wanted_p"{if (!$allow_oosp && $product->quantity <= 0) || !$product->available_for_order || $PS_CATALOG_MODE} style="display: true;"{/if}>
   <label>{l s='Quantity:'}</label>
      <input type="text" name="qty_{$product.id_product|intval}" id="quantity_to_cart_{$product.id_product|intval}" class="text" value="{if isset($quantityBackup)}{$quantityBackup|intval}{else}{if $product->minimal_quantity > 1}{$product->minimal_quantity}{else}1{/if}{/if}" />
        
         <a href="#" data-field-qty="qty_{$product.id_product|intval}" class="btn btn-default button-minus product_quantity_down" style="clear:none; padding:5px;">
           <i class="icon-minus"></i></a>
                                
         <a href="#" data-field-qty="qty_{$product.id_product|intval}" class="btn btn-default button-plus product_quantity_up " style="clear:none; padding:5px;">
           <i class="icon-plus"></i></a>
                                
              <span class="clearfix"></span>
</p>

Edited September 11, 2015 by gantz37 (see edit history)

[gantz37]

anyone can help

[gantz37]

:ph34r:

[gantz37]

anyone can help

[gantz37]

i dont know why the plus button doesn't work