# This is RxJS v 4. [Find the latest version here](https://github.com/reactivex/rxjs)
# RxJS Join Patterns Module #

The Reactive Extensions for JavaScript also supports join calculus in that you can easily create patterns for when certain observable sequences fire.

## Details ##

Files:
- [`rx.joinpatterns.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.joinpatterns.js)

NPM Packages:
- [`rx`](https://www.npmjs.org/package/rx)

NuGet Packages:
- [`RxJS-All`](http://www.nuget.org/packages/RxJS-All/)
- [`RxJS-JoinPatterns`](http://www.nuget.org/packages/RxJS-JoinPatterns/)

File Dependencies:
- [`rx.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.js) | [`rx.compat.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.compat.js) | [`rx.lite.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.lite.js) | [`rx.lite.compat.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.lite.compat.js)

NuGet Dependencies:
- [`RxJS-Lite`](http://www.nuget.org/packages/RxJS-Lite/)
- [`RxJS-Main`](http://www.nuget.org/packages/RxJS-Main/)

## Included Observable Operators ##

### `Observable Methods`
- [`when`](../../api/core/operators/when.md)

### `Observable Instance Methods`
- [`and`](../../api/core/operators/and.md)

### `Pattern Instance Methods`
- [`thenDo`](../../api/core/operators/thendo.md)