importReactDOMfrom'react-dom'//《---react 17使用的ReactDOM importAppfrom'./App' import'./index.css' ReactDOM.render( <React.StrictMode> <App /> </React.StrictMode>, document.getElementById('root') ) 复制代码 语义大体上: ReactDOM 用 render 函数,把 JSX Elements 组件,渲染到 id 为' ro...
importReactfrom'react' importReactDOMfrom'react-dom' import{ RecoilRoot }from'recoil' importAppfrom'./App' ReactDOM.render( <RecoilRoot> <App/> </RecoilRoot>, document.getElementById('root') ) 2. Atom 相比Redux保护的全局Store,Recoil则采纳扩散治理原子状态的设计模式,不便进行代码分割。 所以Ato...
因为打包工具是需要React.createElement这个方法把你写的jsx转化为虚拟DOM的,就像这样 importReactfrom'./react'importReactDOMfrom'./react-dom'classAppextendsReact.Component{render(){returnHello,World!}}constelement=(helloworld)console.log('element',element)ReactDOM.render(<App/>,document.getElementById('...
First, install React and ReactDOM using npm: npminstallreact react-dom 1. Then, in your JavaScript file, import React using theimportstatement: importReactfrom'react';importReactDOMfrom'react-dom'; 1. 2. In this example, we import React and ReactDOM as named imports from thereactandreact-...
import React from 'react'; import ReactDOM from'react-dom'; import registerServiceWorker from'./registerServiceWorker'; ReactDOM.render(hello world, document.getElementById('root') ); registerServiceWorker(); 8.执行 npm start
突然很好奇,在前端日常开发中,需要经常和 dom 打交道,所以经常要用到 querySelectorAll 和 document.body.getChildren 等方法,但是它们的返回值都是一个类数组类型,我们就需要用一些方法,比如拓展运算符、Array.from 等将它们转换为真数组 来进行操作。 1 回答829 阅读✓ 已解决 react中的双向绑定和vue中双向绑...
render () {return(<Import></Import>) } }exportdefaultTest 然后在main.jsx importReactfrom'react'importReactDomfrom'react-dom'importTestfrom'@/components/Test'ReactDom.render(<Test/>,document.getElementById('app'))
{"antd": "^5.17.0","下一个": "14.2.3","反应": "^18","react-dom": "^18"},"devDependencies": {"@types/node": "^20","@types/react": "^18","@types/react-dom": "^18","eslint": "^8","eslint-config-next": "14.2.3","postcss": "^8","tailwindcss": "^3.4.1","...
第一种: import ReactDOM from 'react-dom'; ReactDOM.render(<App />, document.getElementById('root')); 第二种 import { render} from 'react-dom' render(<App />, document.getElementById('root')); 如上所示,上面两种方式使用起来等价的。有用 回复 撰写...
// React js ES6代码中的实例import React from 'react'import ReactDOM from 'react-dom'import { createStore, combineReducers } from 'redux'import { Provider } from 'react-redux'import { Router, Route, IndexRoute, browserHistory } from 'react-router'import { syncHistoryWithStore, ...