Câu hỏi phỏng vấn Reactjs
Câu hỏi

What are the advantages of using React?

Câu trả lời

ReactJS offers a multitude of advantages that make it a popular choice for developing user interfaces in web applications. Here are the key benefits:

1. Component-Based Architecture

ReactJS utilizes a component-based architecture that allows developers to build encapsulated components that manage their own state, then compose them to make complex user interfaces[1][2][3][4][5][6][7][8]. This modular approach facilitates reusability and maintainability, enabling developers to reuse components across different parts of an application, which saves development time and improves consistency across the project[3].

2. Declarative Nature

ReactJS is declarative, meaning that you can design interactive UIs in a predictable and easier-to-understand way by handling the state of the application. When the data changes, React efficiently updates and renders the right components, simplifying the creation of interactive user interfaces[1][2][5].

3. Virtual DOM

ReactJS implements a virtual DOM that improves the performance of applications by minimizing the number of costly DOM manipulations. This virtual DOM compares the previous and current states of the components and updates only the items in the real DOM that have changed, rather than re-rendering entire sections of the page[1][2][3][5].

4. JSX (JavaScript XML)

JSX is a syntax extension used by React that allows HTML and JavaScript to coexist in the same files. This feature makes the code easier to understand and debug as it visually resembles the layout of the user interface that it will produce[1][2][7].

5. Strong Community Support

ReactJS is maintained by Facebook and a community of individual developers and companies. This strong backing helps in the continuous development of the library and provides a vast array of resources like tutorials, tools, and third-party libraries, which can help solve various development issues[1][2][5].

6. SEO Friendly

ReactJS can run on the server, rendering and returning the virtual DOM to the browser as a regular webpage. This capability significantly improves the SEO of web applications as search engines ...

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