TypeScript interview questions and answers

TypeScript is a superset of the JavaScript language and it is mainly developed and maintained by Microsoft. TypeScript is immensely popular in writing front-end applications. It is also used in Node.js too.

Following are some useful interview questions about TypeScript:

let x = user?.role.getRole();

  class User {
    getAttr(attr: string);
    getAttr(attr: number);
    getAttr(attr: number, secondAttr: string);
    getAttr(attr: any, secondAttr?: string) {
      console.log(attr.toString());
    }
  }