如何在 Rx Js observables 中通过简单的解决方案更改多过滤器运算符？

Question

我想用相对较短的代码编写这段代码，你能建议一些解决方案吗？ 谢谢！

fromEvent(document, 'click').pipe(
filter(e => e.target !== this.one.nativeElement),
filter(e => e.target !== this.two.nativeElement),
filter(e => e.target !== this.three.nativeElement),
map(() => console.log('target'))
.subscribe();

Answer 1

fromEvent(document, 'click').pipe(
  filter(e => ![
    this.one.nativeElement, 
    this.two.nativeElement, 
    this.three.nativeElement
  ].some(elem => e.target === elem)),
  map(() => console.log('target'))
).subscribe();