//// [parameterPropertyInConstructor2.ts] module mod { class Customers { constructor(public names: string); constructor(public names: string, public ages: number) { } } } //// [parameterPropertyInConstructor2.js] var mod; (function (mod) { var Customers = (function () { function Customers(names, ages) { this.names = names; this.ages = ages; } return Customers; })(); })(mod || (mod = {}));