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<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Get or Create Bootstrap Dropdown Instance Using JavaScript</title> <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"></script> <script> document.addEventListener("DOMContentLoaded", function() { var btn = document.getElementById("myBtn"); var element = document.getElementById("myDropdown"); btn.addEventListener("click", function(){ var myDropdown = bootstrap.Dropdown.getOrCreateInstance(element); console.log(myDropdown); }); }); </script> </head> <body> <div class="m-4"> <p class="mt-4">Press the "Get or Create Dropdown Instance" button to create dropdown instance or get the dropdown instance associated with a DOM element. <strong>Dropdown will not work until you create dropdown instance</strong>.</p> <p>Press Ctrl+Shift+J (Windows / Linux) or Cmd+Opt+J (Mac) to open the browser console panel.</p> <button type="button" class="btn btn-secondary" id="myBtn">Get or Create Dropdown Instance</button> <hr> <div class="dropdown"> <div class="btn-group"> <button type="button" class="btn btn-primary dropdown-toggle" id="myDropdown">Dropdown</button> <div class="dropdown-menu"> <a href="#" class="dropdown-item">Action</a> <a href="#" class="dropdown-item">Another action</a> <div class="dropdown-divider"></div> <a href="#" class="dropdown-item">Separated link</a> </div> </div> </div> </div> </body> </html>
