Angular 6, Part 3: Lifecycle of a Component

In this article, we will discuss the lifecycle of components. Since, in Angular, a component is the main building block the application, it is very important for us to understand the lifecycle processing steps of the components so that we can implement that in our applications. Lifecycle Method In Angular, every component has a life-cycle, a number of different stages it goes through. There are 8 different stages in the component lifecycle. Every stage is called as lifecycle hook event. So, we can use these hook events in different phases of our application to obtain control of the components. Since a component is a TypeScript class, every component must have a constructor method. The constructor of the component class executes, first, before the execution of any other lifecycle hook events. If we need to inject any dependencies into the component, then the constructor is the best place to inject those dependencies. After executing the constructor, Angular executes its lifecycle hook m...

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