React Senior

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What is the difference between Element and Component?

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1

An Element in React is a function that returns HTML, while a Component is a plain object describing what you want to appear in the DOM.

2

An Element in React is a class, while a Component is a function.

3

An Element in React is used for styling, while a Component is used for rendering.

4

An Element is a plain object describing what you want to appear in the DOM, while a Component can be a class or function that returns an element.

What is Incremental Static Regeneration (ISR) in React?

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1

Incremental Static Regeneration (ISR) in React is used for rendering content in the browser.

2

Incremental Static Regeneration (ISR) in React allows you to update static content after the site is built.

3

Incremental Static Regeneration (ISR) in React is a technique for managing state.

4

Incremental Static Regeneration (ISR) in React is a way to fetch data from an API.

Exlplain hydration in React.

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1

Hydration in React is the process of defining component styles.

2

Hydration in React is the process of fetching data from an API.

3

Hydration in React is the process of rendering components on the server.

4

Hydration in React is the process of attaching event listeners to a server-rendered markup.

What is Static Site Generation (SSG) in React?

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1

Static Site Generation (SSG) in React is a technique for managing state.

2

Static Site Generation (SSG) in React is a way to fetch data from an API.

3

Static Site Generation (SSG) in React means generating HTML at runtime.

4

Static Site Generation (SSG) in React means generating HTML at build time.

What is Server-Side Rendering (SSR) in React?

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1

Server-Side Rendering (SSR) in React is a technique for managing state.

2

Server-Side Rendering (SSR) in React is a way to fetch data from an API.

3

Server-Side Rendering (SSR) in React means rendering the content in the browser.

4

Server-Side Rendering (SSR) in React means rendering the content on the server and sending HTML to the client.

What is Client-Side Rendering (CSR) in React?

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1

Client-Side Rendering (CSR) in React is a way to fetch data from an API.

2

Client-Side Rendering (CSR) in React is a technique for managing state.

3

Client-Side Rendering (CSR) in React means rendering the content on the server.

4

Client-Side Rendering (CSR) in React means rendering the content in the browser using JavaScript.

How to facilitate real-time communication in React applications?

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1

To facilitate real-time communication in React applications, you can use the useState hook.

2

To facilitate real-time communication in React applications, you can use CSS animations.

3

To facilitate real-time communication in React applications, you can use HTML5 forms.

4

To facilitate real-time communication in React applications, you can use WebSockets or libraries like Socket.io.