Now it's time to add the sidebar toggle button. This button will handle the opening and closing of the sidebar. in class, set aria-expanded='true' on the control instead.īy clicking the anchor, the dropdown will slide up or slide down according to the aria-expanded='' value. If you've set the collapsible element to be open, by default using a. If the collapsible element is closed by default, it should have a value of aria-expanded='false'. This attribute explicitly defines the current state of the collapsible element to screen readers and similar assistive technologies. collapse class too.īe sure to add aria-expanded to the dropdown's control element. The dropdown menu itself also should have.The link's href attribute must contain the id of the dropdown menu preceded by a hash.Note that I also added class='dropdown-toggle' - this class adds a little triangle on the side and helps the user understand its function.To make a drop-down menu collapsible, data-toggle='collapse' should be added to the link holding the dropdown.active class to the first item to mark that it is the currently active menu item, i.e.

I'll place there a sidebar navigation menu that will contain some demo navigation links and also Bootstrap 4 drop-down menus.

Now, let's fill our sidebar with some content. As the content increases, sidebar height dynamically increases too. wrapper the CSS property align-items: stretch.īy doing this, the sidebar nav will take the height of the page content. wrapper div that will take advantage of the CSS flex property. So, our startup markup should be as follows: In all four sidebar templates, that we'll go through today, we will need Bootstrap 4 CSS and JS files, jQuery library, and our custom stylesheet.Īlso, I include Font Awesome 5 to be used on the buttons and menu items in one example.

Basic filesīefore we dig into coding, we should first set up our starting template with all the necessary files. The Bootstrap 3 version is a part of the download too, in case you would need it, though. In 2018, I upgraded it to Bootstrap 4 and made additional improvements based on your feedback in 2020.

Originally, I published this tutorial for Bootstrap 3 in 2017.

Bootstrap studio examples