In many cases we would change the content of a component dynamically, like for instance, to allow the user to change view or to let the children render the data retrieved and elaborated from its parent component. Here below we are going to show some techniques to create a component without deciding how the data would be shown. According with the application needs, each technique has its own strengths, but all of them encourage component reusability. We are going to describe:

Any modern web application needs soon or later to perform some http request to retrieve data. Here below I’ll describe some common scenario and how to perform such requests using RxJS.