OnChanges
interface
A lifecycle hook that is called when any data-bound property of a directive changes.
Define an ngOnChanges() method to handle the changes.
API
Usage Notes
interface OnChanges {}
ngOnChanges
voidA callback method that is invoked immediately after the default change detector has checked data-bound properties if at least one has changed, and before the view and content children are checked.
@returns
voidJump to details