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.
In following screenshots, the top links switch active links while we scroll down the page.Originally, I published this tutorial for Bootstrap 3 in 2017. The page detects the section in the viewport and updates the active link. When we scroll down the page, the active link of navbar is automatically updated based on which part we are viewing. Bootstap includes a Scrollspy Plugin to automatically update links when we scroll within the page. It is very common to include a navbar for navigating different parts in a long page. It provides many ready-to-go components and mobile-friendly styles to facilitate developers' work. Bootstrap is one of the most popular HTML, CSS, and JavaScript frameworks for developing responsive, mobile first projects on the web.
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