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<!DOCTYPE html> <html lang="zh"> <head> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>Bootstrap4 通过JavaScript给折叠方法传递参数 - 迹忆客(jiyik.com)</title> <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.0/dist/css/bootstrap.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> .m-4{ margin: 50px; } </style> <script> document.addEventListener("DOMContentLoaded", function(){ var btn = document.getElementById("myBtn"); var element = document.getElementById("myCollapse"); /* Create a collapse instance, do not toggle the collapse element on invocation */ var myCollapse = new bootstrap.Collapse(element, { toggle: false }); btn.addEventListener("click", function(){ myCollapse.toggle(); }); }); </script> </head> <body> <div class="m-4"> <!-- Trigger Button HTML --> <button type="button" class="btn btn-primary" id="myBtn">Toggle Element</button> <!-- Collapsible Element HTML --> <div class="collapse show mt-4" id="myCollapse"> <div class="card card-body">This is a simple example of showing and hiding specific element via data attributes. Click the trigger button to toggle this panel.</div> </div> </div> </body> </html>
