delay failed on ajax call

I am trying to delay the ajax call.

RxJS version: 5.52

Code to reproduce:

ajax.get(url).delay(1000);

Expected behavior: Delay 1s

Actual behavior: No delay

Additional information: I found the walkaround way at here by

Observable.timer(1000).flatMapLatest(ajax.get(url))

But it would be great to fix it.

[Brooooooklyn]

in this case

const a$ = ajax.get(url).delay(1000)

when you called a$.subscribe , ajax would execute immediately. delay operator here is just take the response of ajax and delay to pass it to next operator.

subscribeOn take a scheduler, which means it would change your subscribe time scheduler.

it just equal to:

setTimeout(() => {
  $a.subscribe()
}, 1000)

remember, whenever you call subscribe on a Observable, the source of this Observable would execute immediately, only subscribeOn operator could change it.

[lock[bot]]

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