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How do I manage state in React applications?

Asked on Saturday, Sep 13, 2025

Managing state in React applications can be done using various methods, such as using React's built-in state management with hooks like useState and useReducer, or by using external libraries like Red…

What is the virtual DOM in React?

Asked on Friday, Sep 12, 2025

The virtual DOM in React is a lightweight, in-memory representation of the actual DOM. React uses it to optimize updates by minimizing direct manipulation of the real DOM, which can be slow. // Exampl…

How do I create a component in React?

Asked on Thursday, Sep 11, 2025

In React, a component can be created as a function or a class. The most common approach is using a function component, which is simpler and leverages hooks for state and lifecycle management. import R…

What are the differences between React, Vue, and Angular?

Asked on Wednesday, Sep 10, 2025

React, Vue, and Angular are popular JavaScript frameworks and libraries used for building user interfaces, each with its own strengths and use cases. Here's a brief comparison: // React import React f…