How do I add a tab to a drop down menu?
Using a simple Bootstrap plug-in, you can add dropdown menu in tabs by using the dropdown class. The nav and nav-tabs classes are also used to achieve this. First, make an unordered list and give it a class of nav and nav-tabs. Now, give a class of dropdown to the list item tag which you wish to behave as a dropdown.
How to set active tab in JavaScript?
With the help of HTML, CSS, and JavaScript, it is possible to create a navigation menu with a curved active tab. This can be done by using the ::before and ::after pseudo-elements to create the desired shape, and then using JavaScript to add the active class to the element.