switchMap 中 of(...) 和 [...] 的区别

Question

For example we have some effect:比如我们有一些效果：

...
switchMap(() => of(action1, action2))
...

and和

...
switchMap(() => [action1, action2])
...

Do we have any differents?我们有什么不同吗？

Answer 1

The second one is correct.第二个是正确的。

The first approach are 2 emits, which would notify all subscribers multiple times.第一种方法是 2 次发射，它会多次通知所有订阅者。