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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>Calling Bootstrap Collapse Methods 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 toggleBtn = document.getElementById("toggleBtn"); var showBtn = document.getElementById("showBtn"); var hideBtn = document.getElementById("hideBtn"); // Create a collapse instance, toggles the collapse element on invocation var myCollapse = new bootstrap.Collapse(document.getElementById("myCollapse")); // Toggle collapse element on button click toggleBtn.addEventListener("click", function(){ myCollapse.toggle(); }); // Show collapse element on button click showBtn.addEventListener("click", function(){ myCollapse.show(); }); // Hide collapse element on button click hideBtn.addEventListener("click", function(){ myCollapse.hide(); }); }); </script> </head> <body> <div class="m-4"> <p> <!-- Trigger Buttons HTML --> <button type="button" class="btn btn-primary" id="toggleBtn">Toggle Button</button> <button type="button" class="btn btn-primary" id="showBtn">Show Button</button> <button type="button" class="btn btn-primary" id="hideBtn">Hide Button</button> </p> <!-- Collapsible Element HTML --> <div class="collapse" id="myCollapse"> <div class="card card-body">This is a simple example of showing and hiding specific element via data attributes. Click trigger buttons to toggle, show or hide this panel.</div> </div> </div> </body> </html>
