No need to add data-id to product quantity select

assets/ajaxify.js

@@ -942,7 +942,7 @@ var ajaxifyShopify = (function(module, $) {
 
   qtySelectors = function() {
     // Change number inputs to JS ones, similar to ajax cart but without API integration.
-    // Make sure to add the existing ID to the new input element
+    // Make sure to add the existing name and id to the new input element
     var numInputs = $('input[type="number"]');
 
     if (numInputs.length) {
@@ -952,9 +952,6 @@ var ajaxifyShopify = (function(module, $) {
             inputName = el.attr('name'),
             inputId = el.attr('id');
 
-        // Ignore inputs without a data-id
-        if (!el.attr('data-id')) return false;
-
         var itemAdd = currentQty + 1,
             itemMinus = currentQty - 1,
             itemQty = currentQty;

templates/product.liquid

@@ -139,10 +139,7 @@
             Quantity selector is optional
           {% endcomment %}
           <label for="quantity">Qty: </label>
-          {% comment %}
-            Added data-id for the ajax cart implementation only.
-          {% endcomment %}
-          <input type="number" id="quantity" name="quantity" value="1" min="1" data-id="{{ product.id }}">
+          <input type="number" id="quantity" name="quantity" value="1" min="1">
 
           <input type="submit" name="add" class="btn" id="addToCart" value="Add to Cart">
         </form>