timeInterval

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timeInterval

signature: timeInterval(scheduler: *): Observable<TimeInterval<any>> | WebSocketSubject<T> | Observable<T>
Convert an Observable that emits items into one that emits indications of the amount of time elapsed between those emissions
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Examples
Example 1: Time between mouse clicks
( StackBlitz )
// RxJS v6+
import { fromEvent } from 'rxjs';
import { timeInterval, tap } from 'rxjs/operators';
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fromEvent(document, 'mousedown')
  .pipe(timeInterval(), tap(console.log))
  .subscribe(
    i =>
      (document.body.innerText = `milliseconds since last click: ${i.interval}`)
  );
Related Recipes
​Click Ninja Game​
Additional Resources
​timeInterval 📰 - Official docs
📁 Source Code: https://github.com/ReactiveX/rxjs/blob/master/src/internal/operators/timeInterval.ts​

repeat

timeout

Last modified 2yr ago

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Outline

Convert an Observable that emits items into one that emits indications of the amount of time elapsed between those emissions

Examples

Related Recipes

Additional Resources