Combination Operators

So far, we have discussed operators that work on a single input Observable and produce an output Observable down the stream. What if we wanted to build a data pipeline that, at some point, would require the output of two or more Observables, e.g., the responses for two or more HTTP requests.

This can be easily achieved in RxJS using the combination operators. We will go through the most common operators that you are more likely to use in your projects.