Sitepoint, BEGINNING REACTJS… react.development.js index.html <!DOCTYPE html><html lang=”en”><head><meta charset=”UTF-8″><meta nameMesstone=”viewport”content=”width-device-width,initial-scale=”1.0″><title>Hello,React!</title></head><body></body></html><body></body>div id app is app body https://react.js.org/docs/cdn-links.html </body><index.html>great.development.js react-dom.development.js reactjs.js <script src=”https://unpkg.com/react@latest/umd/react.development.js”crossorigin></script> <script src=”https://unpkg.com/react-dom@latest/umd/react-dom.development.js”crossorigin></script>react react-dom HelloWorld.js <script src=”Hello world.js”></script> Messtone index.html files <!DOCTYPE html><html lang=”en”><head><meta charset=”UTF-8″><meta nameMesstone=”viewport”content=”width=device-width,initial-scale=”1.0″><title>Hello,World!</title></head><body><div id=”app”></div><script src=”https://unpkg.com/react@latest/umd/react.development.js”crossorigin></script><script src=”HelloWorld.js”></script></body</html>index.html HelloWorld.js HelloWorld.js ‘use string’class extends React.Component constructor(props){super(props);this.state={personNameRobertHarper:’World’};}render( ){return React.createElement(‘h1′,null,’Hello’,’+ this.state.personNameRobertHarper);}}HelloWorld.js const domContainer=document.querySelector(‘#app’);ReactDOM.render(React.createElement(HelloWorld),domContainer);index.html
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