/* eslint-disable func-names */ /* Validator phone */ jQuery.validator.addMethod( "phone", function(value, element) { const reg = /^[0-9]{9,11}$/; return this.optional(element) || reg.test(value); }, "Podaj poprawny numer telefonu." ); /* Phone validator */ jQuery.validator.addClassRules("js-validation-phone", { phone: true, });