Mini project using react and redux

Question based on react concepts, basics and advanced topics of JavaScript, HTML and CSS

Q1. What is React and feature of react.
Ans. 
React is a JavaScript library for building user interfaces.
• React allows for building reusable UI components.

• It uses a virtual DOM for efficient rendering.

• React can be used for both web and mobile app development.

• It supports server-side rendering for improved SEO.

• React is maintained by Facebook and has a large community of developers.
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Q2. Difference between functional and class based component?
Ans. 
Functional components are stateless and use functional programming concepts, while class-based components are stateful and use object-oriented programming concepts.
• Functional components are simpler and easier to read and test.

• Class-based components have access to lifecycle methods and state.

• Functional components are preferred for simple UI components, while class-based components are preferred for complex UI components...read more
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Q3. Types of hook methods available in React?
Ans. 
React has two types of hook methods: State Hooks and Effect Hooks.
• State Hooks manage state in functional components.

• Effect Hooks manage side effects in functional components.

• useState() is an example of State Hook.

• useEffect() is an example of Effect Hook.
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Q4. What is Redux? Explain workflow of redux and uses of redux.
Ans. 
Redux is a predictable state container for JavaScript apps.
• Redux is a state management library for JavaScript applications.

• It helps in managing the state of an application in a predictable way.

• Redux follows a unidirectional data flow architecture.

• It uses actions, reducers, and a store to manage the state of an application.

• Redux is commonly used with React to build scalable and maintainable applications.
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Q5. Explain Higher order function and Higher order component?
Ans. 
Higher order function takes a function as an argument or returns a function. Higher order component is a function that takes a component and returns a new component.
• Higher order function is a function that operates on other functions, either by taking them as arguments or by returning them.

• Higher order component is a function that takes a component and returns a new component with additional functionality.

• Higher order ...read more
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Q6. Semantic structure of HTML.
Ans. 
Semantic structure of HTML refers to the use of HTML tags to convey meaning and structure to web content.
• Semantic HTML uses tags that describe the content they contain, such as

  for headings and

  for paragraphs.

• Semantic HTML helps search engines and screen readers understand the content of a webpage.

• Using semantic HTML improves accessibility and makes it easier to maintain and update a website.

• Examples of semantic HTML
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Q7. Difference between block component and inline component?
Ans. 
Block components take up the full width of their container, while inline components only take up the necessary space.
• Block components create a new line and take up the full width of their container

• Inline components only take up the necessary space and do not create a new line

• Block components are used for larger elements like paragraphs and headings

• Inline components are used for smaller elements like links and buttons
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Q8. Lazy loading in React.
Ans. 
Lazy loading is a technique used to defer the loading of non-critical resources until they are needed.
• Lazy loading can improve the performance of a React application by reducing the initial load time.

• React.lazy() is a built-in function that allows for lazy loading of components.

• Code splitting can be used to split the application into smaller chunks that can be loaded on demand.

• Lazy loading can be used for images, video...read more
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Q9. Difference between Angular and React
Ans. 
Angular is a full-fledged framework while React is a library for building UI components.
• Angular is a complete solution for building web applications while React is focused on building UI components.

• Angular uses two-way data binding while React uses one-way data flow.

• Angular has a steeper learning curve while React is easier to learn.

• Angular has a larger file size while React has a smaller file size.

• Angular has a built-...read more
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Q1. What are your salary expectations?
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Q2. Share details of your previous job.
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Q3. Why are you looking for a change?
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Q4. What are your strengths and weaknesses?
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Q5. Tell me about yourself.
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