typescript Przeciążeniefunkcji

Posted 2021-05-20

// przeciążanie funkcji
// ====================

class BaseClassWithFunction {
    public id : number;
    getProperties() : string {
        return `id: ${this.id}`;
    }
}

class DerivedClassWithFunction
    extends BaseClassWithFunction {
    public name: string;
    getProperties() : string {
        return `${super.getProperties()}` + ` , name: ${this.name}`;
    }
}

var derivedClassWithFunction = new DerivedClassWithFunction();
derivedClassWithFunction.id = 1;
derivedClassWithFunction.name = "nazwaWKlasiePochodnej";
console.log(derivedClassWithFunction.getProperties());