<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Responsive Page with Bootstrap</title> <!-- Bootstrap CSS --> <link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css" rel="stylesheet"> <style> /* Centering the content */ body { display: flex; align-items: center; justify-content: center; height: 100vh; margin: 0; } /* Styling the results box */ #results-box { margin-top: 20px; } </style> </head> <body> <div class="container"> <div class="row"> <div class="col-md-6 offset-md-3"> <!-- Search Bar --> <input type="text" class="form-control" id="searchInput" placeholder="Type something and press Enter"> <!-- Results Box --> <div id="results-box" class="mt-3"></div> </div> </div> </div> <!-- Bootstrap JS and Popper.js (required for Bootstrap) --> <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.11.6/dist/umd/popper.min.js"></script> <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script> <!-- Custom JavaScript for handling the search --> <script> document.getElementById('searchInput').addEventListener('keyup', function (event) { if (event.key === 'Enter') { handleSearch(); } }); function handleSearch() { var searchInput = document.getElementById('searchInput'); var searchTerm = searchInput.value; if (searchTerm.trim() !== '') { // Append result to the results box var resultsBox = document.getElementById('results-box'); resultsBox.innerHTML += '<p class="alert alert-success">Result: ' + searchTerm + '</p>'; // Clear the search input searchInput.value = ''; } } </script> </body> </html>