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April 29, 2019 19:40
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React { простой стартовый шаблон-песочница }
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>React app</title> | |
| </head> | |
| <body> | |
| <div id="root-1"></div> | |
| <div id="root-2"></div> | |
| <!-- Загрузим React. --> | |
| <!-- Примечание: для деплоя на продакшен замените окончание «development.js» на «production.min.js». --> | |
| <script src="https://unpkg.com/react@16/umd/react.development.js" crossorigin></script> | |
| <script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js" crossorigin></script> | |
| <!-- <script src="https://unpkg.com/react@16/umd/react.production.min.js" crossorigin></script> --> | |
| <!-- <script src="https://unpkg.com/react-dom@16/umd/react-dom.production.min.js" crossorigin></script> --> | |
| <!-- Загрузим наш React-компонент. --> | |
| <script> | |
| 'use strict'; | |
| const e = React.createElement; | |
| class LikeButton extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = { liked: false }; | |
| } | |
| render() { | |
| if (this.state.liked) { | |
| return 'You liked this.'; | |
| } | |
| return e( | |
| 'button', | |
| { onClick: () => this.setState({ liked: true }) }, | |
| 'Like' | |
| ); | |
| } | |
| } | |
| const domContainer = document.querySelector('#root-1'); | |
| ReactDOM.render(e(LikeButton), domContainer); | |
| </script> | |
| <!-- Для работы с JSX --> | |
| <script src="https://unpkg.com/babel-standalone@6/babel.min.js"></script> | |
| <!-- Обязательно указать type="text/babel" --> | |
| <script type="text/babel"> | |
| class Hello extends React.Component { | |
| constructor(props) { | |
| super(props); | |
| this.state = { | |
| a: 1 | |
| } | |
| } | |
| render() { | |
| return ( | |
| <div> | |
| <p>Hello</p> | |
| </div> | |
| ); | |
| } | |
| } | |
| ReactDOM.render(<Hello/>, document.getElementById('root-2')); | |
| </script> | |
| <script> | |
| // ## Для транспиляции JSX | |
| // ```npm init -y``` | |
| // ```npm install babel-cli@6 babel-preset-react-app@3``` | |
| // для запуска слежения за файлами | |
| // ```npx babel --watch src --out-dir . --presets react-app/prod``` | |
| </script> | |
| </body> | |
| </html> |
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