Atharv Gyan

Key Concepts for Interviews » RxJS: Master reactive programming with Observables for handling asynchronous data streams. »   Modules: Organize your app's functionality with feature-based modules. »   Routing: Navigate seamlessly between views using Angular's powerful routing system. »   Dependency Injection: Enhance flexibility by managing service dependencies dynamically. »   Angular Universal: Boost SEO and performance with server-side rendering (SSR). »   AOT Compilation: Optimize app performance by compiling templates during the build phase. »   Custom Pipes: Transform data in templates with built-in or user-defined pipes.  interview questions ⇲   1. What are Angular Directives? Question : Explain Angular directives. Can you give examples? Answer : Angular directives are used to extend the HTML by adding custom behavior to elements. There are three types: Components : A directive with a template. Structural Directives : Change the DOM str...

React Interview Preparation: Best Questions, Best Answers, and Sample Code 1. What are the differences between functional and class components in React? Answer : Functional components are simpler and mainly focus on rendering UI, while class components provide more powerful features like state management and lifecycle methods. In recent versions of React, hooks ( useState ,  useEffect ) enable functional components to use state and lifecycle features without needing to be classes. // Functional Component function FunctionalComponent(props) {     const [count, setCount] = useState(0);     return (         <div>             <p>Count: {count}</p>             <button onClick={() => setCount(count + 1)}>Increment</button>         </div>     ); } // Class Component class ClassComponent extends React.Component {   ...