Émettre un événement en AngularJS

Question

Comment déclare t'on un événement de sortie pour un component ?

Accepted Answer

```typescript
@output() somethingChanged = new EventEmitter();
this.somethingChanged.emit(data);
```

Answer

```typescript
@output() somethingChanged = new OutputEvent();
this.somethingChanged.emit(data);
```

Answer

```typescript
$emit(new EventEmitter(data));
```

Answer

```typescript
@output() somethingChanged = data;
```

Question du test Angular 4 (legacy)