In React, you will render lists with some type of loop.

Why and how to set key on each component in a collection so React can keep track of each of them even if their position or data changes. 1. Splitting a list in two 2. Nested lists in one component 3. Extracting a list item component 4.

In React, transforming arrays into lists of elements is nearly identical.

The next time that component renders, React will say, “I already have some list items on screen – are these ones different?” It will avoid recreating DOM nodes if it can tell that the items are the same. But here’s the important bit: React can’t tell with a simple equality check, because every time a JSX element is created, that’s a brand new object, unequal to the old one. So that’s where the key prop comes in.

August 7, 2025 - In lists, React makes it easier to render multiple elements dynamically from arrays or objects, ensuring efficient and reusable code.

February 28, 2025 - Today, we’ll build a simple User List component using .map() and style it for better presentation. ✅ How to use .map() to iterate over an array and display data dynamically. ✅ The importance of unique keys in React lists.

Lists present information in a concise, easy-to-follow format through a continuous, vertical index of text or images.

December 10, 2024 - A versatile infinite scroll [React] component.. Latest version: 0.8.18, last published: a year ago. Start using react-list in your project by running `npm i react-list`. There are 171 other projects in the npm registry using react-list.

February 27, 2025 - List components are reusable UI elements designed to display a collection of items within a React application. These reusable components are fundamental building blocks in React, as they help manage and present data in a structured and dynamic ...

In the example, below we extract each list item into an reusable component. function FruitListItem(props) { return <li>{props.fruit.name}</li>; } function FruitList(props) { const fruitListItems = props.fruits.map((fruit) => ( <FruitListItem key={fruit.id} fruit={fruit} /> )); return <ul>{fruitListItems}</ul>; } const data = [ { id: 1, name: 'apple' }, { id: 2, name: 'orange' }, { id: 3, name: 'blueberry' }, { id: 4, name: 'banana' }, { id: 5, name: 'kiwi' }, ]; ReactDOM.createRoot(document.getElementById('root')).render( <FruitList fruits={data} /> );

April 16, 2019 - You iterate over the list with the map method again and output for each list item your HTML elements. Only the value argument given in the map function is an object and no primitive anymore. Hence you can access the object in your JSX to output the different properties of it: ... import React from 'react'; const list = [ { id: 'a', firstname: 'Robin', lastname: 'Wieruch', year: 1988, }, { id: 'b', firstname: 'Dave', lastname: 'Davidds', year: 1990, }, ]; const ComplexList = () => ( <ul> {list.map(item => ( <li key={item.id}> <div>{item.id}</div> <div>{item.firstname}</div> <div>{item.lastname}</div> <div>{item.year}</div> </li> ))} </ul> ); export default ComplexList;

February 20, 2026 - React Native provides a suite of components for presenting lists of data. Generally, you'll want to use either FlatList or SectionList.

Before you start the tutorial, ensure DevExtreme is installed in your application. The List displays data from a local or remote data storage and allows users to group, select, search, reorder, and delete items.

React Lists with ReactJS Tutorial, ReactJS Introduction, ReactJS Features, ReactJS Installation, Pros and Cons of ReactJS, AngularJS vs ReactJS, Reactnative vs ReactJS, ReactJS Router, ReactJS Flux Concept, ReactJS Animations, ReactJS Discussion, ReactJS Quick Guide, etc.

It is advisable to always have a unique id that can be passed as value to the key prop when we’re dealing with lists in React, so that React can track changes that are specific to individual items in an array.

November 16, 2023 - Keys are important for performance and stability reasons. When React renders a list of elements, it compares the new elements with the previous ones to determine which ones need to be updated, inserted, or deleted.

This item is retrieved from the database and shown in the browser as lists. So, from the perspective of the component, we can say that we'll use props to send a list to a component, and then use this component to render the list to the DOM. We can replace the above code, which produced the list directly, with a component that takes an array as a prop and returns an unordered list. import React from 'react'; import ReactDOM from 'react-dom'; function List(props) { const Lists = props.Lists; const items = Lists.map(List) => <li>{List}</li> ); return (

IntroductionGet StartedCompositionShorthand PropsThemingLayout examplesPrototypesMigration guide to v3 ... You can do the same using shorthands. ... You can do the same using shorthands. ... You can also manually specify a value for an ordered list using value.

September 26, 2023 - Lists are useful to improve or create the UI of any website. Lists are mainly used for illustrating or showcasing menus on a website, for instance, the navbar menu. IIn regular JavaScript, we use arrays for creating lists, and in React we can ...

July 23, 2025 - It leverages the map() method available on JavaScript arrays to iterate over each item and generate corresponding JSX elements. Each item in the array is transformed into a React component or element, facilitating the rendering process.