Components ViewChild and ViewChildren

https://borntolearn.mslearn.net/b/mva/posts/angular-what-goes-into-building-a-ui origin - http://www.pipiscrew.com/2017/07/angular-what-goes-into-building-a-ui/ angular-what-goes-into-building-a-ui

https://dzone.com/articles/angular-2-vs-angular-4-features-performance origin - http://www.pipiscrew.com/2017/08/angular-2-vs-angular-4/ angular-2-vs-angular-4

Angular is a framework, while React is a library. https://code.tutsplus.com/articles/angular-vs-react-7-key-features-compared–cms-29044 origin - http://www.pipiscrew.com/?p=9672 angular-vs-react