Join Justin Schwartzenberger for an in-depth discussion in this video Attribute directives: built in, part of Angular Essential Training.
- [Instructor] Attribute directives are designed…to change the appearance or behavior of the DOM elements…that they are attached to.…They do not create or remove DOM elements…like structural directives.…Let's take a look…at how you can use a built-in attribute directive.…In the media-item-list.component.html file…we will make use of the ng class, attribute directive…to get some CSS classes onto the mediaItem elements…based on the mediaItem medium type.…
Now the project already has CSS rules set up…in the media-item.component.css file for some classes.…So we can just start using those in the template here.…So on the mw-media-item element…we use the directive property template syntax…using the brackets around the term ngClass…and set that equal to a statement.…The ngClass directive expects an object structure…for its statement value.…
With the CSS classes for the property names…and a true false for the values.…In our case, we want to have two CSS classes.…One named medium-movies…and one named medium-series.…Since the dash is not valid in an object property,…
Author
Justin Schwartzenberger
Updated
3/1/2018Released
10/31/2016Justin Schwartzenberger steps through the framework one feature at a time, focusing on the component-based architecture of Angular. Learn what Angular is and what it can do, as Justin builds a full-featured web app from start to finish. After mastering the essentials, you can tackle the other project-based courses in our library and create your own Angular app.
- What is Angular?
- Setting up an Angular template
- Creating a component
- Binding events and properties
- Getting data to components
- Using directives and pipes
- Creating Angular forms
- Validating form data
- Understanding dependency injection
- Providing services
- Making HTTP calls
- Routing
Skill Level Intermediate
Duration
Views
Q: This course was updated on 03/01/2018. What changed?
A: The following topics were updated: directives and pipes, forms, dependency injection and services, HTTP, and routing.
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Introduction
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Welcome1m 27s
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Why use AngularJS 2?1m 36s
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Using the exercise files1m 51s
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Basics of TypeScript2m 24s
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Course overview1m 2s
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1. Architecture Overview
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Directives and pipes1m 40s
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Data binding1m 53s
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Dependency injection1m 54s
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Data persistence1m 47s
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Routing1m 50s
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2. Components
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NgModule and the root module5m 59s
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Component metadata2m 4s
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The component selector2m 12s
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The component template2m 59s
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Styling a component5m 3s
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Property binding2m 30s
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3. Directives and Pipes
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Structural directives: ngFor3m 34s
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Attribute directives: custom3m 53s
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Using directive values3m 36s
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Angular pipes: built in3m 1s
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Angular pipes: custom4m 28s
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4. Forms
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Angular forms1m 29s
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Template-driven forms4m 45s
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Model-driven forms4m 19s
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Validation: built in3m 28s
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Validation: custom3m 2s
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Error handling5m 10s
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5. Dependency Injection and Services
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Services in Angular2m 22s
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Class constructor injection2m 39s
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The Inject decorator3m 40s
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Injection token3m 36s
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6. HTTP
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The Angular HttpClient2m 5s
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7. Routing
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Router links2m 36s
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Conclusion
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Next steps1m 20s
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Video: Attribute directives: built in