empty.md

Rx.Observable.empty([scheduler])

Ⓢ

Returns an empty observable sequence, using the specified scheduler to send out the single OnCompleted message.

Arguments

1. [scheduler=Rx.Scheduler.immediate] (Scheduler): Scheduler to send the termination call on.

Returns

(Observable): An observable sequence with no elements.

Example

var source = Rx.Observable.empty();

var subscription = source.subscribe(
  function (x) {
    console.log('Next: %s', x);
  },
  function (err) {
    console.log('Error: %s', err);
  },
  function () {
    console.log('Completed');
  });
  
// => Completed

Location

File:

• /src/core/perf/operators/empty.js

Dist:

• rx.all.js
• rx.all.compat.js
• rx.js
• rx.compat.js
• rx.lite.js
• rx.lite.compat.js

Prerequisites:

• None

NPM Packages:

• rx

NuGet Packages:

• RxJS-Complete
• RxJS-Main
• RxJS-Lite

Unit Tests:

• /tests/observable/empty.js