Created
August 27, 2018 08:23
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Minimal preact app without babel and JSX
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Preact without Babel or JSX</title> | |
| </head> | |
| <body> | |
| <script src="https://unpkg.com/preact"></script> | |
| <script> | |
| 'use strict'; | |
| const { Component, h, render } = window.preact; | |
| /** Example classful component */ | |
| class App extends Component { | |
| componentDidMount() { | |
| this.setState({ message: 'Hello2!' }); | |
| } | |
| render({ }, { message }) { | |
| return h('div', { id: 'app' }, h(Header, { message }), h(Main)); | |
| } | |
| } | |
| /** Components can just be pure functions */ | |
| const Header = ({ message }) => h('header', null, h('h1', null, 'App'), message && h('h2', null, message)); | |
| /** Instead of JSX, use: h(type, props, ...children) */ | |
| const Main = () => h('main', null, h('ul', null, [1, 2, 3].map(item => h('li', { id: item }, 'Item ' + item)))); | |
| render(h(App), document.body); | |
| </script> | |
| </body> | |
| </html> |
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