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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.7.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script> <style> /* Style the input field */ #myInput { padding: 20px; margin-top: -6px; border: 0; border-radius: 0; background: #f1f1f1; } </style> </head> <body> <div class="container"> <h2>Filterable Dropdown</h2> <p>Open the dropdown menu and type something in the input field to search for dropdown items:</p> <p>Note that we have styled the input field to fit the dropdown items.</p> <div class="dropdown"> <button class="btn btn-primary dropdown-toggle" type="button" data-toggle="dropdown">Dropdown Example <span class="caret"></span></button> <ul class="dropdown-menu"> <input class="form-control" id="myInput" type="text" placeholder="Search.."> <li><a href="#">HTML</a></li> <li><a href="#">CSS</a></li> <li><a href="#">JavaScript</a></li> <li><a href="#">jQuery</a></li> <li><a href="#">Bootstrap</a></li> <li><a href="#">Angular</a></li> </ul> </div> </div> <script> $(document).ready(function(){ $("#myInput").on("keyup", function() { var value = $(this).val().toLowerCase(); $(".dropdown-menu li").filter(function() { $(this).toggle($(this).text().toLowerCase().indexOf(value) > -1) }); }); }); </script> </body> </html>
