Rx.Observable.from(iterable, [mapFn], [thisArg], [scheduler])

This method creates a new Observable sequence from an array-like or iterable object.

Arguments

1. iterable (Array | Arguments | Iterable): An array-like or iterable object to convert to an Observable sequence.
2. [mapFn] (Function): Map function to call on every element of the array.
3. [thisArg] (Any): The context to use calling the mapFn if provided.
4. [scheduler=Rx.Scheduler.currentThread] (Scheduler): Scheduler to run the enumeration of the input sequence on.

Returns

(Observable): The observable sequence whose elements are pulled from the given iterable sequence.

Example

Array-like object (arguments) to Observable

Set

Map

String

Array

Generate a sequence of numbers