> For the complete documentation index, see [llms.txt](https://chasethestar.gitbook.io/ko.learn-rxjs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://chasethestar.gitbook.io/ko.learn-rxjs/rxjs/operators/creation/of.md).

# of

#### signature: `of(...values, scheduler: Scheduler): Observable`

## Emit variable amount of values in a sequence and then emits a complete notification.

### Examples

**Example 1: Emitting a sequence of numbers**

( [StackBlitz](https://stackblitz.com/edit/typescript-kbpvmm?file=index.ts\&devtoolsheight=100) | [jsBin](http://jsbin.com/kodixitoji/1/edit?js,console) | [jsFiddle](https://jsfiddle.net/btroncone/f7b35ayz/) )

```js
// RxJS v6+
import { of } from 'rxjs';
//emits any number of provided values in sequence
const source = of(1, 2, 3, 4, 5);
//output: 1,2,3,4,5
const subscribe = source.subscribe(val => console.log(val));
```

**Example 2: Emitting an object, array, and function**

( [StackBlitz](https://stackblitz.com/edit/typescript-m1jbw9?file=index.ts\&devtoolsheight=100) | [jsBin](http://jsbin.com/xevobujama/1/edit?js,console) | [jsFiddle](https://jsfiddle.net/btroncone/d9rng4dj/) )

```js
// RxJS v6+
import { of } from 'rxjs';
//emits values of any type
const source = of({ name: 'Brian' }, [1, 2, 3], function hello() {
  return 'Hello';
});
//output: {name: 'Brian'}, [1,2,3], function hello() { return 'Hello' }
const subscribe = source.subscribe(val => console.log(val));
```

### Related Recipes

* [Battleship Game](/ko.learn-rxjs/rxjs/recipes/battleship-game.md)
* [Breakout Game](/ko.learn-rxjs/rxjs/recipes/breakout-game.md)
* [Car Racing Game](/ko.learn-rxjs/rxjs/recipes/car-racing-game.md)
* [Mine Sweeper Game](/ko.learn-rxjs/rxjs/recipes/mine-sweeper-game.md)
* [Platform Jumper Game](/ko.learn-rxjs/rxjs/recipes/platform-jumper-game.md)
* [Save Indicator](/ko.learn-rxjs/rxjs/recipes/save-indicator.md)
* [Swipe To Refresh](/ko.learn-rxjs/rxjs/recipes/swipe-to-refresh.md)
* [Tetris Game](/ko.learn-rxjs/rxjs/recipes/tetris-game.md)
* [Type Ahead](/ko.learn-rxjs/rxjs/recipes/type-ahead.md)

### Additional Resources

* [of](https://rxjs.dev/api/index/function/of) 📰 - Official docs
* [of](https://indepth.dev/reference/rxjs/operators/of) - In Depth Dev Reference
* [Creation operators: of](https://egghead.io/lessons/rxjs-creation-operator-of?course=rxjs-beyond-the-basics-creating-observables-from-scratch) 🎥 💵 - André Staltz
* [Build your own of operator](https://blog.strongbrew.io/build-the-operators-from-rxjs-from-scratch/?lectureId=of#app) 🎥 - Kwinten Pisman

***

> 📁 Source Code: <https://github.com/ReactiveX/rxjs/blob/master/src/internal/observable/of.ts>