screen_rotation
Copied to Clipboard
<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/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> </head> <body> <div id="app"></div> <script type="text/babel"> function App() { const array = [1, 2, 3, 4, 5]; const startIndex = 2; const endIndex = 4; const value = 'Filled'; array.fill(value, startIndex, endIndex); return ( <div className="container"> <h1>React Js Filling a portion of an existing array</h1> <h2>Array: {array.join(', ')}</h2> </div> ); } 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; } h1 { font-size: 24px; color: #333; } h2 { font-size: 18px; color: #666; margin-top: 10px; } </style> </body> </html>