How to call router outlet child component method from parent comonent

Question

I am new to angular2

I have a button in parent component, if

Answer 1

This can be achieved by the following way as well:

.html

.ts

activatedComponentReference:any

onActivate(activatedComponentReference) {
  this.activatedComponentReference = activatedComponentReference;
}

onBtnClick() {
   const childRouteComp = this.activatedComponentReference as ChildRouteComponent;
   childRouteComp.childFunction();
}