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Bootsrapmarkup~30 mins

Responsive navbar collapse in Bootsrap - Mini Project: Build & Apply

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Responsive Navbar Collapse with Bootstrap
📖 Scenario: You are building a website header that works well on both big screens and small phones. You want a navigation bar that shows menu links horizontally on large screens but collapses into a toggle button on small screens. This toggle button will open and close the menu for easy access on mobile devices.
🎯 Goal: Create a responsive navigation bar using Bootstrap 5 that collapses into a toggle button on small screens and expands on larger screens. The navbar should have a brand name and three navigation links.
📋 What You'll Learn
Use Bootstrap 5 classes for the navbar
Include a brand name inside the navbar
Add three navigation links: Home, About, Contact
Make the navbar collapse into a toggle button on small screens
Ensure the toggle button controls the menu visibility
Use semantic HTML and accessible attributes
💡 Why This Matters
🌍 Real World
Responsive navigation bars are essential for websites to work well on all devices, from phones to desktops. This project shows how to use Bootstrap to create a navbar that adapts automatically.
💼 Career
Knowing how to build responsive navigation is a key skill for front-end web developers. Bootstrap is widely used in industry for fast, accessible UI development.
Progress0 / 4 steps
1
Create the basic navbar structure
Write the HTML code to create a <nav> element with the Bootstrap classes navbar and navbar-expand-lg. Inside it, add a <div> with class container-fluid. Inside this container, add a brand link with class navbar-brand and text MySite. Also add an unordered list <ul> with class navbar-nav containing three list items <li> each with class nav-item. Each list item should have a link <a> with class nav-link and text Home, About, and Contact respectively.
Bootsrap
Need a hint?

Start by creating a <nav> with classes navbar navbar-expand-lg. Then add a container <div> with class container-fluid. Inside, add the brand link and the navigation list with three links.

2
Add the navbar toggler button
Below the brand link, add a button element with class navbar-toggler, type button, and these attributes: data-bs-toggle="collapse", data-bs-target="#navbarSupportedContent", aria-controls="navbarSupportedContent", aria-expanded="false", and aria-label="Toggle navigation". Inside the button, add a <span> with class navbar-toggler-icon.
Bootsrap
Need a hint?

Add a button with class navbar-toggler and the required Bootstrap data attributes for toggling the collapse. Inside the button, add a <span> with class navbar-toggler-icon.

3
Wrap the navigation links in a collapsible container
Wrap the <ul> with class navbar-nav inside a <div> with classes collapse navbar-collapse and id navbarSupportedContent. This container will collapse and expand when the toggler button is clicked.
Bootsrap
Need a hint?

Wrap the <ul> inside a <div> with classes collapse navbar-collapse and id navbarSupportedContent. This makes the menu collapsible.

4
Add Bootstrap CSS and JS links for functionality
Add the Bootstrap 5 CSS link inside the <head> section and the Bootstrap 5 JavaScript bundle script before the closing </body> tag. Use the official Bootstrap CDN URLs: CSS link href https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css with rel="stylesheet", and JS script src https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js. Also add the required <!DOCTYPE html>, <html lang="en">, <meta charset="UTF-8">, and viewport meta tag <meta name="viewport" content="width=device-width, initial-scale=1"> in the <head>.
Bootsrap
Need a hint?

Wrap your navbar in a full HTML document. Add the required meta tags in the <head>. Include the Bootstrap CSS link in the <head> and the Bootstrap JS bundle script before the closing </body> tag.