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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> </head> <body> <div class="container"> <h2>Collapsible Methods</h2> <p>The toggle method toggles the collapsible content.</p> <p>The show method shows the collapsible content.</p> <p>The hide method hides the collapsible content.</p> <button type="button" class="btn btn-primary">Toggle</button> <button type="button" class="btn btn-success">Show</button> <button type="button" class="btn btn-warning">Hide</button> <div class="collapse"> Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. </div> </div> <script> $(document).ready(function(){ $(".btn-primary").click(function(){ $(".collapse").collapse('toggle'); }); $(".btn-success").click(function(){ $(".collapse").collapse('show'); }); $(".btn-warning").click(function(){ $(".collapse").collapse('hide'); }); $(".collapse").on('show.bs.collapse', function(){ alert('The collapsible content is about to be shown.'); }); $(".collapse").on('shown.bs.collapse', function(){ alert('The collapsible content is now fully shown.'); }); $(".collapse").on('hide.bs.collapse', function(){ alert('The collapsible content is about to be hidden.'); }); $(".collapse").on('hidden.bs.collapse', function(){ alert('The collapsible content is now hidden.'); }); }); </script> </body> </html>
