tether

For Bootstrap 4 stable: Since beta Bootstrap 4 doesn’t depend on Tether but Popper.js. All scripts (must be in this order): <script src=”https://code.jquery.com/jquery-3.3.1.slim.min.js”></script> <script src=”https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js”></script> <script src=”https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js”></script> See the current documentation for the newest script versions. Only Bootstrap 4 alpha: Bootstrap 4 alpha needs Tether, so you need to include tether.min.js before you include bootstrap.min.js, … Read more