jquery.validation.js is not working in woocommerce checkout page form

jQuery(“#woocommerce_checkout_form”).validate({ highlight: function(element) { (jQuery(element).parent()).parent().addClass(“woocommerce-invalid”); (jQuery(element).parent()).parent().removeClass(“woocommerce-validated”); }, unhighlight: function(element) { (jQuery(element).parent()).parent().removeClass(“woocommerce-invalid”); (jQuery(element).parent()).parent().addClass(“woocommerce-validated”); }, submitHandler: function(form) { jQuery.ajax({ type: “POST”, data:values,…