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HTML, CSS, and JavaScript for Multi-layer Dropdown Header

HTML:
Added dropdown-submenu class to handle nested dropdowns.

CSS:
Dropdown Submenu: Positioned to the right of the parent dropdown.

JavaScript:
Event Listeners: Added to show and hide nested dropdowns on mouse enter and leave.

How to Use:

Create an header.html file and paste the updated code into it.
Include Bootstrap and Font Awesome if needed for styling and icons.

This bootstrap css example is contributed by zobaidul kaziex, on 05-Sep-2024. Component is made with bootstrap css v.4.6. It is responsive.

Tags: Header

Author zobaidul kaziex

v.4.6

Fork Fullscreen

<nav class="navbar navbar-expand-lg navbar-dark">
        <div class="container">
            <a class="navbar-brand" href="#">YourBrand</a>
            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>
            </button>
            <div class="collapse navbar-collapse" id="navbarNav">
                <ul class="navbar-nav ms-auto">
                    <li class="nav-item">
                        <a class="nav-link" href="#">Home</a>
                    </li>
                    <li class="nav-item dropdown">
                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                            Services
                        </a>
                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown">
                            <li><a class="dropdown-item" href="#">Service 1</a></li>
                            <li><a class="dropdown-item" href="#">Service 2</a></li>
                            <li class="dropdown-submenu">
                                <a class="dropdown-item dropdown-toggle" href="#">More Services</a>
                                <ul class="dropdown-menu">
                                    <li><a class="dropdown-item" href="#">Sub Service 1</a></li>
                                    <li><a class="dropdown-item" href="#">Sub Service 2</a></li>
                                </ul>
                            </li>
                        </ul>
                    </li>
                    <li class="nav-item dropdown">
                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown2" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                            About Us
                        </a>
                        <ul class="dropdown-menu" aria-labelledby="navbarDropdown2">
                            <li><a class="dropdown-item" href="#">Our Team</a></li>
                            <li><a class="dropdown-item" href="#">Our History</a></li>
                        </ul>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Contact</a>
                    </li>
                </ul>
            </div>
        </div>
        <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
    </nav>

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