Join Justin Schwartzenberger for an in-depth discussion in this video Class constructor injection, part of Angular 2 Essential Training (2016).
- [Voiceover] There are two pieces to the puzzle…to do Constructor Injection at a class level…for components, directives, and pipes.…The import statement and constructor parameter…with Type Annotation.…Let's refactor the Media Item Form Component Class…to use the Form Builder Class,…to help in the creation of the form model…to see Constructor Injection in action.…The Form Builder Class is class…provided in the Angular framework.…It has a group method on it, for building a Control Group.…So, in the media-item-form.component.ts file,…We can add form builder to the import statement…from angular2/common.…
- What is Angular?
- Setting up an Angular template
- Creating a component
- Displaying data
- Working with events
- Using two-way data binding
- Creating a subcomponent
- Using the built-in HTTP module
- Using the built-in router module
Skill Level Intermediate
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1. Architecture Overview
3. Directives and Pipes
5. Dependency Injection and Services
Next steps1m 20s
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