Pro Angular 9: Build Powerful and Dynamic Web Apps

© Adam Freeman 2020

A. FreemanPro Angular 9https://doi.org/10.1007/978-1-4842-5998-6_17

17. Understanding Components

Adam Freeman¹ 

(1)

London, UK

 

Components are directives that have their own templates, rather than relying on content provided from elsewhere. Components have access to all the directive features described in earlier chapters and still have a host element, can still define input and output properties, and so on. But they also define their own content.

It can be easy to underestimate the importance of the template, but attribute and structural directives have limitations. Directives can do useful and powerful work, but they don’t have much insight into the elements they are applied to. Directives are most useful when they are general-purpose ...