Anil Singh | Code-sample.com

 In Angular, constructors and ngOnInit are both important lifecycle methods, but they serve different purposes and are called at different times. Here's how they work and the order in which they are called: 1. Constructor : The constructor is a method that is invoked first when a component is instantiated. It is used primarily for dependency injection (DI) and initial setup , but it shouldn't contain complex logic or interact with DOM elements since the component isn't fully initialized at this stage. 2. ngOnInit : The ngOnInit() method is part of Angular's component lifecycle hooks and is called after the constructor . It is executed once the component’s input properties are initialized, and is a good place to put logic that depends on the component being fully initialized, like making HTTP requests or setting up component properties based on input values. Order of Execution in Angular: Constructor : Called when the component is created. This is where dependency ...