When is it necessary to create a script that will dynamically apply a .current class (similar to active) to an element?

Creating a navigation menu 'component' - after researching some examples, I noticed that many of them utilize controllers and JavaScript to dynamically include a .current (active-like class). One example is the navigation bar on https://www.google.com/analytics/, which follows this approach. I always assumed that this functionality was handled by the browser itself. Initially, I thought it might be limited in terms of elements, but according to the MDN documentation, this is not the case.

The :active CSS pseudo-class is triggered when an element is being activated by the user. This allows the page to provide feedback that the activation has been recognized by the browser. This pseudo-class is commonly used with <a> and <button> HTML elements, but its application is not restricted solely to those.

Pseudo-class vs. class: one key distinction is that using a pseudo-class adds a different level of styling compared to using a standard class. However, I am unsure about the limitations of relying solely on the pseudo-class for styling purposes.

Currently, my implementation depends on the pseudo-class and the browser adding it automatically. For instance, using main-nav a:active, a:focus, etc. But I anticipate that at some point, I may need to revise or adjust this setup.

Answer №1

In a nutshell, browsers are designed to automatically activate elements like <a>, <button>, <select>, and <input> when they are clicked. However, for elements such as navigation tabs and menus, additional functionality in the form of a controller or jQuery plugin is required to set them as active upon click. This includes features like navigation tabs, date pickers, and menus, which rely on controllers to assign an active class upon selection.

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