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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>Bootstrap 4 Accordion with Plus Minus Icons</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.min.css"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css"> <script src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/js/bootstrap.bundle.min.js"></script> <style> .bs-example{ margin: 20px; } .accordion .fa{ margin-right: 0.5rem; font-size: 24px; font-weight: bold; position: relative; top: 2px; } </style> <script> $(document).ready(function(){ // Add down arrow icon for collapse element which is open by default $(".collapse.show").each(function(){ $(this).prev(".card-header").find(".fa").addClass("fa-angle-down").removeClass("fa-angle-right"); }); // Toggle right and down arrow icon on show hide of collapse element $(".collapse").on('show.bs.collapse', function(){ $(this).prev(".card-header").find(".fa").removeClass("fa-angle-right").addClass("fa-angle-down"); }).on('hide.bs.collapse', function(){ $(this).prev(".card-header").find(".fa").removeClass("fa-angle-down").addClass("fa-angle-right"); }); }); </script> </head> <body> <div class="bs-example"> <div class="accordion" id="accordionExample"> <div class="card"> <div class="card-header" id="headingOne"> <h2 class="mb-0"> <button type="button" class="btn btn-link" data-toggle="collapse" data-target="#collapseOne"><i class="fa fa-angle-right"></i> What is HTML?</button> </h2> </div> <div id="collapseOne" class="collapse" aria-labelledby="headingOne" data-parent="#accordionExample"> <div class="card-body"> <p>HTML stands for HyperText Markup Language. HTML is the standard markup language for describing the structure of web pages. <a href="https://www.tutorialrepublic.com/html-tutorial/" target="_blank">Learn more.</a></p> </div> </div> </div> <div class="card"> <div class="card-header" id="headingTwo"> <h2 class="mb-0"> <button type="button" class="btn btn-link collapsed" data-toggle="collapse" data-target="#collapseTwo"><i class="fa fa-angle-down"></i> What is Bootstrap?</button> </h2> </div> <div id="collapseTwo" class="collapse show" aria-labelledby="headingTwo" data-parent="#accordionExample"> <div class="card-body"> <p>Bootstrap is a sleek, intuitive, and powerful front-end framework for faster and easier web development. It is a collection of CSS and HTML conventions. <a href="https://www.tutorialrepublic.com/twitter-bootstrap-tutorial/" target="_blank">Learn more.</a></p> </div> </div> </div> <div class="card"> <div class="card-header" id="headingThree"> <h2 class="mb-0"> <button type="button" class="btn btn-link collapsed" data-toggle="collapse" data-target="#collapseThree"><i class="fa fa-angle-right"></i> What is CSS?</button> </h2> </div> <div id="collapseThree" class="collapse" aria-labelledby="headingThree" data-parent="#accordionExample"> <div class="card-body"> <p>CSS stands for Cascading Style Sheet. CSS allows you to specify various style properties for a given HTML element such as colors, backgrounds, fonts etc. <a href="https://www.tutorialrepublic.com/css-tutorial/" target="_blank">Learn more.</a></p> </div> </div> </div> </div> </div> </body> </html>
