TypeScript - intersection types simple example

typescript-intersection-type-simple.ts

// From https://gist.github.com/Ibro/262ee343ea3a2a244ec76b44f6723713#file-typescript-intersection-type-simple-ts
// Origin code is error code. So I fix it by referencing https://www.typescriptlang.org/docs/handbook/interfaces.html

interface IStudent {
  id: string;
  age: number;
}

interface IWorker {
  companyId: string;
}

let x = <IStudent & IWorker>{};

x.age = 5;
x.companyId = "CID5241";
x.id = "ID3241";

console.log(x);

result