개발노트

Interface interface Person { firstName: string; lastName: string; fullName(): string; } class Employee implements Person { constructor(public firstName: string, public lastName: string) {} fullName(): string { return `${this.firstName} ${this.lastName}`; } } const emp = new Employee("John", "Doe"); console.log(emp.fullName()); // 출력: John Doe Type으로 했을 때 동일한 소스 type Person = { firstName: string;..