of

연산자(operator) 정의: of(...values, scheduler: Scheduler): Observable

Emit variable amount of values in a sequence.

Examples

Example 1: Emitting a sequence of numbers

( jsBin | jsFiddle )

//emits any number of provided values in sequence
const source = Rx.Observable.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

( jsBin | jsFiddle )

//emits values of any type
const source = Rx.Observable.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));

Additional Resources

• of - Official docs
• Creation operators: of - André Staltz

Source Code: https://github.com/ReactiveX/rxjs/blob/master/src/observable/ArrayObservable.ts