WHY NOT USE import React from 'react'? (Example) (2024)

FAQs

Should you import React from React? ›

As of React version 17, you don't need to import the whole React object, so you typically only need to import only the hooks and other specific parts you're using. This makes your code more efficient and lean.

You need to import the default and name it React . This is because anytime you write JSX code like <MyComponent /> or <App /> , this JSX code is transpiled and uses React. createElement() . So, you need to have access to React .

Import vs Require

import/export support the ES module system, whereas require() supports commonJS. Node. js follows the commonJS module system — the original way to package JS code for Node.

Using React can be overkill if the requirements are too simplistic. For example, you need to make a few pages with no dynamic elements or customization. In cases like these, it might suffice to use simple HTML and a bit of JavaScript.

Yes, React is SEO-friendly.

React is one of the most coveted frameworks, but its SEO capabilities are occasionally questioned. With the help of React, developers may build a wide variety of web applications, including static, dynamic, and single-page ones.

With the new transform, you can use JSX without importing React. Depending on your setup, its compiled output may slightly improve the bundle size.

To start using any React component in your app, you must first import it. The React library provides a straightforward syntax for importing components, essential for creating React apps.

React components can also over-render if the component tree is too large. The larger the component tree, the more time React renders and updates the DOM. To avoid this, you can break your components into smaller components and use techniques like lazy loading to optimize your application's performance.

How do I import React icons into ReactJS? ›

import statements are used in ES6 or ECMAScript module system to include modules. require includes the complete file whereas by import we can include specific export components only.

This is because JSX is included in the react library, it won't work if you don't have import React from 'react' at the top of your file. Creating a file with a jsx or tsx extension does only define what content will be inside the file and helps your IDE provide file icons, syntax highlighting etc.

Using React without JSX is especially convenient when you don't want to set up compilation in your build environment. Each JSX element is just syntactic sugar for calling React. ... So, anything you can do with JSX can also be done with just plain JavaScript.

First of all, we need to import React to be able to use JSX , which will then be transformed to the native components of each platform.

React and ReactDOM serve different purposes within a React application. React is responsible for creating and managing components and their state, while ReactDOM renders these components to the web page.

After the installation is complete, you should be able to use 'react-scripts' without any issues. By installing 'react-scripts' both locally and globally, you'll have greater flexibility in managing your React projects and can avoid the “react-scripts' is not recognized” error in the future.