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.production.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.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"> const { useState } = React function App() { const options = [ { value: 'coloradoriver', label: 'Colorado River' }, { value: 'mississippiriver', label: 'Mississippi River' }, { value: 'hudsonriver', label: 'Hudson River' }, { value: 'mackenzie', label: 'Mackenzie River' }, { value: 'yukonriver', label: 'Yukon River' }, { value: 'ohioriver', label: 'Ohio River' }, { value: 'redriver', label: 'Red River' }, { value: 'missouririver', label: 'Missouri River' }, { value: 'columbiariver', label: 'Columbia River' }, { value: 'brazosriver', label: 'Brazos River' }, ]; const [selectedOptions, setSelectedOptions] = useState([]); const handleOptionChange = (event) => { const selected = Array.from(event.target.selectedOptions, (option) => option.value); setSelectedOptions(selected); }; return ( <div className='container'> <h3>React Js Multi Select dropdown option</h3> <select multiple value={selectedOptions} onChange={handleOptionChange}> {options.map((option) => ( <option key={option.value} value={option.value}> {option.label} </option> ))} </select> <p>Selected Options: {selectedOptions.join(', ')}</p> <p className='note'>Note:To select multiple items from a drop-down menu, hold down the Ctrl key (Windows) or the Command key (Mac). </p> </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; } select { width: 300px; height: 150px; padding: 10px; border: 1px solid #ccc; border-radius: 5px; font-size: 16px; cursor: pointer; outline: none; } p { margin: 10px 0; font-size: 14px; } .note { font-size: 12px; color: #777; } </style> </body> </html>