Apr 10, 2025 · In this article, we will explore what a Pure Component is in React, along with its key features and use cases, with some examples. Output. How Does a Pure Component Work? A PureComponent works by implementing the shouldComponentUpdate () lifecycle method with a shallow comparison of props and state.

PureComponent is a subclass of Component and supports all the Component APIs. Extending PureComponent is equivalent to defining a custom shouldComponentUpdate method that shallowly compares props and state. See more examples below. React normally re-renders a component whenever its parent re-renders.

How to keep components pure by keeping changes out of the render phase; How to use Strict Mode to find mistakes in your components

Mar 3, 2025 · Learn how to memoize components in React using React.PureComponent and the React.memo API, and cover the fundamentals of React components.

Aug 1, 2023 · Among the various types of components in React, “Pure Components” stand out as a crucial concept for improving performance and code reusability. In this article, we will delve into what pure components are, how they differ from regular components, and the benefits they offer.

Pure components in React are all about performance. They help your application avoid unnecessary re-renders by checking whether the component’s inputs (props or state) have actually changed. In this article, we’ll look at how pure components work, how to use them, and when they’re useful — with clear, modern examples. ...

Jan 8, 2024 · In this beginner-friendly guide, we’ll explore the concept of Pure Components and why they play a crucial role in React development, whether you’re using class components or the newer functional components.

Jul 30, 2019 · Pure Components in React are the components which do not re-renders when the value of state and props has been updated with the same values. If the value of the previous state or props and...

Feb 24, 2024 · One of the tools in the React arsenal for achieving performance enhancements is the concept of Pure Components. Let’s delve into what Pure Components are, how they differ from regular...

Sep 4, 2023 · In the realm of React development, writing pure components is a cornerstone of building efficient and maintainable applications. A pure component, also known as a “pure function component,”...