# This is RxJS v 4. [Find the latest version here](https://github.com/reactivex/rxjs) # RxJS Experimental Module # The Reactive Extensions for JavaScript has a number of operators that are considered experimental and not ready for mainstream usage. This includes imperative operators such as `if`, `case`, `for`, `while`, `doWhile` as well as operators such as `forkJoin`. ## Details ## Files: - [`rx.experimental.js`](https://github.com/Reactive-Extensions/RxJS/blob/master/dist/rx.experimental.js) NPM Packages: - [`rx`](https://www.npmjs.org/package/rx) NuGet Packages: - [`RxJS-All`](http://www.nuget.org/packages/RxJS-All/) - [`RxJS-Experimental`](http://www.nuget.org/packages/RxJS-Experimental/) 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` - [`case`](../../api/core/operators/case.md) - [`for`](../../api/core/operators/for.md) - [`forkJoin`](../../api/core/operators/forkjoin.md) - [`if`](../../api/core/operators/if.md) - [`while`](../../api/core/operators/while.md) ### `Observable Instance Methods` - [`doWhile`](../../api/core/operators/dowhile.md) - [`expand`](../../api/core/operators/expand.md) - [`extend`](../../api/core/operators/manyselect.md) - [`flatMapFirst`](../../api/core/operators/flatmapfirst.md) - [`flatMapWithMaxConcurrent`](../../api/core/flatmapwithmaxconcurrent.md) - [`forkJoin`](../../api/core/operators/forkjoinproto.md) - [`let`](../../api/core/operators/let.md) - [`manySelect`](../../api/core/operators/manyselect.md) - [`selectSwitchFirst`](../../api/core/operators/flatmapfirst.md) - [`selectWithMaxConcurrent`](../../api/core/operators/flatmapwithmaxconcurrent.md)