That means, that services/injectables provided in the root module (AppModule) are available to all components in that module. The problem here, is, that angular uses a hierarchical dependency injection system. The most common method is to provide it at a module level. With the help of dependency injection, you can request instances of your services in your constructor.įor that to work, services or broader injectables have to be registered in the provider section of your component or module decorator. You may have heard that angular utilizes a concept called dependency injection. Avoid duplicate providers overriding each other You can find the full list of methods at the official documentation. Guessing what they do, should not be the issue. Many of them look very familiar to the JavaScript DOM API. The Renderer2 has many different methods to alter an element.
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