July 2017
Intermediate to advanced
454 pages
10h 1m
English
Content preview from Expert Angular
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Injecting child components
For the second child component, we used a technique based on injecting components via this property declaration from the app.component.ts file:
@ViewChildren(ChildComponent) childComponents: QueryList<ChildComponent>;
The ViewChildren decorator takes a selector for the ChildComponent type that will identify and collect all the ChildComponent instances from the parent component template into a specialized list of the QueryList type. This list allows iterating through the child component instances, and we can get a reference for the second child component using the QueryList.Last() call in the AppComponent. setSecondChildComponentProperties() method. When running the code found in the Example4 folder for the source ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.