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<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> </head> <body> <div id="app"></div> <script src="https://unpkg.com/react@17.0.2/umd/react.development.js"></script> <script src="https://unpkg.com/react-dom@17.0.2/umd/react-dom.development.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script> <script type="text/babel"> const { useState } = React; function App() { const University = () => { const [university, setUniversity] = useState({ name: 'IIM', location: 'San Francisco', established: 2022, programs: ['Computer Science', 'Data Science', 'Artificial Intelligence'], }); const checkPropertyExistence = (propertyName) => { if (university.hasOwnProperty(propertyName)) { return `${propertyName} exists in the university object.`; } else { return `${propertyName} does not exist in the university object.`; } }; return ( <div className="container"> <h3>React Js Check Property Exist in Object</h3> <p>{checkPropertyExistence('name')}</p> <p>{checkPropertyExistence('location')}</p> <p>{checkPropertyExistence('programs')}</p> <p>{checkPropertyExistence('address')}</p> </div> ); }; ReactDOM.render(<University />, document.getElementById("app")); } ReactDOM.render(<App />, document.getElementById("app")); </script> <style> * { box-sizing: border-box; } .container { margin: 0 auto; width: 600px; text-align: center; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24); padding: 20px; } .container h3 { font-size: 24px; font-weight: bold; margin-bottom: 10px; } .container p { font-size: 18px; margin-top: 0; color: #777; } </style> </body> </html>