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Portals基本使用 import React from 'react'; import ReactDOM from 'react-dom' class Modal extends React.Component { render() { return ReactDOM.createPortal( 阅读全文
posted @ 2021-12-07 21:57
霸哥yyds
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严格模式 import ReactDOM from 'react-dom' import React from "react"; import App from "./App"; ReactDOM.render(<React.StrictMode> <App/> </React.StrictMode 阅读全文
posted @ 2021-12-07 21:42
霸哥yyds
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Fragments组件使用 import React from 'react'; class App extends React.Component { constructor(props) { super(props); } render() { return ( <React.Fragment 阅读全文
posted @ 2021-12-07 21:32
霸哥yyds
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受控组件 import React from 'react'; class App extends React.Component { constructor(props) { super(props); this.state = { name: 'xiebenyin' } } render() { 阅读全文
posted @ 2021-12-07 21:18
霸哥yyds
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获取类组件 import React from 'react' class Home extends React.Component { render() { return ( <div>我是类组件</div> ) } } class App extends React.Component { co 阅读全文
posted @ 2021-12-07 00:04
霸哥yyds
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