Angular: ‘Cannot find a differ supporting object ‘[object Object]’ of type ‘object’. NgFor only supports binding to Iterables such as Arrays’
As the error messages stated, ngFor only supports Iterables such as Array, so you cannot use it for Object. change private extractData(res: Response) { let body = <Afdelingen[]>res.json(); return body || {}; // here you are return an object } to private extractData(res: Response) { let body = <Afdelingen[]>res.json().afdelingen; // return array from json file … Read more