document.addEventListener('DOMContentLoaded', function() {
// Array of your attribute names
var attributes = ['pa_diameter', 'pa_base-curve'];
attributes.forEach(function(attrName) {
// Use attribute selector to avoid issues with special characters
var select = document.querySelector('select[name="' + attrName + '"]');
if (select) {
// Get options that actually have a value
var options = Array.from(select.options).filter(function(opt) { return opt.value !== ''; });
if (options.length === 1) {
select.value = options[0].value;
// Trigger change event in case WooCommerce or other scripts need it
var event = new Event('change', { bubbles: true });
select.dispatchEvent(event);
}
}
});
});
