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The @ViewChild and @ViewChildren decorators in Angular provide a way to access and manipulate DOM elements, directives and components. In this tutorial, we'll see an Angular 9 example of how to use the two decorators. You can use ViewChild if you need to query one element from the DOM and ViewChildren for multiple elements. 2019-04-09 · While Angular components have been available since the beginning, they’re still easy to mess up with common mistakes like people not using them at all, creating components instead of attribute directives, and more. Let’s look at the correct and incorrect ways to use components.

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En Controller måste skapas inuti en modul.