app.js

/*
 * Example code only. This code has not been tested on a live site.
 * IMPORTANT: Backup your theme before making any modifications.
 *
 */


if (variant && variant.available == true) {
      if(variant.price < variant.compare_at_price){
        $('.was_price', $product).html(Shopify.formatMoney(variant.compare_at_price, $('form', $product).data('money-format')))        
      } else {
        $('.was_price', $product).text('')
      } 
      $('.sold_out', $product).text('');
      $('.current_price', $product).html(Shopify.formatMoney(variant.price, $('form', $product).data('money-format')))
      $('#add-to-cart', $product).removeClass('disabled').removeAttr('disabled').val('Add to Cart');
      $('#BIS_trigger').hide(); // added for Back In Stock
    } else {
      var message = variant ? "Sold Out" : "Out of Stock";    
      $('.was_price', $product).text('')
      $('.current_price', $product).text('')
      $('.sold_out', $product).text(message);
      $('#add-to-cart', $product).addClass('disabled').attr('disabled', 'disabled').val(message); 
      $('#BIS_trigger').show(); // added for Back In Stock
    }