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<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script> <script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script> </head> <body> <div class="container"> <h2>Dropdown Example</h2> <p>The <strong>toggle</strong> method toggles the dropdown.</p> <div class="dropdown"> <button class="btn btn-primary dropdown-toggle" id="menu1" type="button" data-toggle="dropdown">Dropdown Example <span class="caret"></span></button> <ul class="dropdown-menu" role="menu" aria-labelledby="menu1"> <li role="presentation"><a role="menuitem" tabindex="-1" href="tryit.asp-filename=trybs_ref_js_dropdown_toggle&stacked=h.html#">HTML</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="tryit.asp-filename=trybs_ref_js_dropdown_toggle&stacked=h.html#">CSS</a></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="tryit.asp-filename=trybs_ref_js_dropdown_toggle&stacked=h.html#">JavaScript</a></li> <li role="presentation" class="divider"></li> <li role="presentation"><a role="menuitem" tabindex="-1" href="tryit.asp-filename=trybs_ref_js_dropdown_toggle&stacked=h.html#">About Us</a></li> </ul> </div><br> <p><strong>Note:</strong> For dropdowns, you should always include the data-toggle="dropdown" attribute. Do not rely solely on the toggle method, as it may not work as expected in all browsers.</p> </div> <script> $(document).ready(function(){ $(".dropdown-toggle").dropdown("toggle"); }); </script> </body> </html>
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