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⇱ ReactJS-State Archives - GeeksforGeeks

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Watchers in React

Last Updated: 23 July 2025

In React, a "watcher" refers to a mechanism that observes changes in component state or props and triggers specific actions in response. React achieves this through its co...read more

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How to manage global state in a React application?

Last Updated: 28 April 2025

Global state refers to data that is accessible across multiple components in a React application. Unlike the local state, which is confined to a single component, the glob...read more

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State in React Functional Component

Last Updated: 23 July 2025

State in React functional components refers to a way of managing data that influences the rendering and behavior of components. Unlike class components, where state is man...read more

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State Management in React – Hooks, Context API and Redux

Last Updated: 27 September 2025

State management is a critical concept when working with React. React components can hold local state, but as applications grow, managing state across multiple components ...read more

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Re-rendering Components in ReactJS

Last Updated: 19 May 2026

In ReactJS, re-rendering occurs when React needs to update the app with new data or when a component’s state or props change. React compares the updated component with the...read more

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How to Send state/props to Another Component in React with onClick?

Last Updated: 23 July 2025

Thepropsandstateare the main concepts of React. Actually, only changes in props and/ or state trigger React to re-render your components and potentially update the DOM in ...read more

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ReactJS State vs Props

Last Updated: 05 August 2025

In React, State allows components to manage and update internal data dynamically, while Props enables data to be passed from a parent component to a child component. Under...read more

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Last Updated: 15 January 2026

ReactJS State is a built-in object used to store and manage data that changes over time in a component. It allows React components to respond dynamically to user actions a...read more

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