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BS5 Navbar

Bootstrap 5 Navbar is a responsive and customizable navigation header. It supports branding, navigation, and various actions.

Key Topics

Basic Navbar

Create a basic navbar using the .navbar class with .navbar-expand for responsive behavior.

<nav class="navbar navbar-light bg-light">
    <div class="container-fluid">
        <a class="navbar-brand" href="#">Brand</a>
        <div>
            <a class="nav-link" href="#">Home</a>
            <a class="nav-link" href="#">About</a>
        </div>
    </div>
</nav>

Explanation: The .navbar class defines the navigation bar, while .navbar-light and .bg-light apply the background color and text style.

Include a toggle button to show or hide navigation links on smaller screens using the .navbar-toggler class.

<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
    <div class="container-fluid">
        <a class="navbar-brand" href="#">Brand</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">
                <li class="nav-item">
                    <a class="nav-link active" href="#">Home</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Features</a>
                </li>
                <li class="nav-item">
                    <a class="nav-link" href="#">Pricing</a>
                </li>
            </ul>
        </div>
    </div>
</nav>

Explanation: The toggle button is controlled using data-bs-toggle="collapse" and targets the #navbarNav collapse container.

Add dropdown menus to the navbar using the .dropdown and .dropdown-menu classes.

<nav class="navbar navbar-expand-lg navbar-light bg-light">
    <div class="container-fluid">
        <a class="navbar-brand" href="#">Brand</a>
        <div class="collapse navbar-collapse" id="navbarDropdown">
            <ul class="navbar-nav">
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                        Dropdown
                    </a>
                    <ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
                        <li><a class="dropdown-item" href="#">Action</a></li>
                        <li><a class="dropdown-item" href="#">Another action</a></li>
                        <li><a class="dropdown-item" href="#">Something else here</a></li>
                    </ul>
                </li>
            </ul>
        </div>
    </div>
</nav>

Explanation: The .dropdown container holds the toggle and menu items for a dropdown in the navbar.

Complete Navbar Example

Below is a complete example combining a brand, toggle button, navigation links, and dropdown menu.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Bootstrap 5 Navbar Demo</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
</head>
<body>
    <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
        <div class="container-fluid">
            <a class="navbar-brand" href="#">Brand</a>
            <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>
            </button>
            <div class="collapse navbar-collapse" id="navbarNavDropdown">
                <ul class="navbar-nav">
                    <li class="nav-item">
                        <a class="nav-link active" href="#">Home</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Features</a>
                    </li>
                    <li class="nav-item dropdown">
                        <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownMenuLink" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                            Dropdown
                        </a>
                        <ul class="dropdown-menu" aria-labelledby="navbarDropdownMenuLink">
                            <li><a class="dropdown-item" href="#">Action</a></li>
                            <li><a class="dropdown-item" href="#">Another action</a></li>
                            <li><a class="dropdown-item" href="#">Something else here</a></li>
                        </ul>
                    </li>
                </ul>
            </div>
        </div>
    </nav>

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
</body>
</html>

Explanation: This example combines all key elements of a Bootstrap Navbar, including a brand, navigation links, toggler, and dropdown menu.

Key Takeaways

  • Use .navbar for the main container and .navbar-expand for responsiveness.
  • Add a toggle button with .navbar-toggler for mobile navigation.
  • Include .dropdown for dropdown menus inside the navbar.
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