core.js:6210 ERROR Error: NG0100: ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. code example
Example: angular ERROR Error: ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked.
constructor(private ref: ChangeDetectorRef){}
ngAfterContentChecked() {
this.ref.detectChanges();
}