@Component({
selector: 'keyvalue-pipe',
template: `<span>
<p>Object</p>
<div *ngFor="let item of object | keyvalue">
{{item.key}}:{{item.value}}
</div>
<p>Map</p>
<div *ngFor="let item of map | keyvalue">
{{item.key}}:{{item.value}}
</div>
</span>`
})
export class KeyValuePipeComponent {
object: {[key: number]: string} = {2: 'foo', 1: 'bar'};
map = new Map([[2, 'foo'], [1, 'bar']]);
}