We often learn Angular presented with two options for working with forms: Template driven or reactive (or both!)
In several cases, small forms (for instance, a login screen, a single text input, or a single dropdown) don’t need that kind of verbosity.
In this post, we will look at five straightforward yet valuable features of the FormControl object used on its own without bringing any additional config to the table.
Source: 5 tips on using Angular FormControl | by Alain Chautard | Angular Training