How to toggle Your Bootstrap Navbar Effectively

Learn how to effectively toggle your Bootstrap navbar with the correct setup and code examples.
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This video is based on the question https://stackoverflow.com/q/74818479/ asked by the user 'palloc' ( https://stackoverflow.com/u/18215856/ ) and on the answer https://stackoverflow.com/a/74818673/ provided by the user 'Sasha' ( https://stackoverflow.com/u/11576965/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to toggle Your Bootstrap Navbar Effectively

When building responsive websites, having a functional navigation bar is crucial. Unfortunately, many developers encounter issues when trying to utilize Bootstrap's collapsing navbar feature, particularly when the menu items do not display as expected. In this post, we'll explore a common issue with Bootstrap 5 navigation bars: why your navbar items might not be appearing correctly when toggled, and how to solve this problem efficiently.

The Problem

Imagine you've implemented a navbar using Bootstrap that collapses into a toggle icon when the viewport size shrinks. This behavior is fantastic, but if you click the toggle icon and the menu items do not display one below the other as they should, it can be frustrating. This is exactly the issue that a developer faced while implementing their navbar with Bootstrap 5.

Example Code

Here is the basic code that the developer used for their navbar:

[[See Video to Reveal this Text or Code Snippet]]

When the navbar toggles, the items inside the ul should display correctly in a vertical stack but don’t seem to do so.

The Solution

The problem is simple but easy to overlook: the missing JavaScript functionality from Bootstrap. While you may have linked the Bootstrap CSS for styling, the JS is essential for interactive components such as the navbar toggle. Here’s how you can fix this issue.

Step-by-Step Fix

Add the Bootstrap JavaScript Bundle: Include the Bootstrap 5 JavaScript bundle in your HTML. Here’s the script tag you need to add at the beginning of your HTML code (before your closing </body> tag):

[[See Video to Reveal this Text or Code Snippet]]

Complete Code Example

Here’s how your complete navbar code should look with both CSS and JS included:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

Ensuring that your Bootstrap navbar works seamlessly requires including both the CSS for styling and the JavaScript for functionality. By following the steps outlined above, you should be able to toggle your navbar effectively and ensure that the menu items are displayed properly. Happy coding!

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