// Add label if only one product option and it isn't 'Title'. Could be 'Size'. $('.selector-wrapper:eq(0)').prepend('Size'); // Hide selectors if we only have 1 variant and its title contains 'Default'. // Auto-select first available variant on page load. Otherwise the product looks sold out. $('.single-option-selector:eq(0)').val("3\/8 oz").trigger('change'); });