@HostBinding and @HostListener: what do they do and what are they for?

Question

In my meanderings around the world wide interweb, and now especially the angular.io style docs, I find many references to @HostBinding and @HostListener

Answer 1

Another nice thing about @HostBinding is that you can combine it with @Input if your binding relies directly on an input, eg:

@HostBinding('class.fixed-thing')
@Input()
fixed: boolean;