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2026-02-127 min read

Split Navigation (Web Development)

Learn Split Navigation (Web Development) step by step with clear examples and exercises.

Title: Split Navigation Bar in Web Development

Why This Matters

A split navigation bar is an essential design element for modern websites, offering users an organized and user-friendly interface by separating the main menu from other elements like search fields or account information. By understanding how to create one, you can build more visually appealing and functional websites that will impress examiners, interviewers, and users alike.

Prerequisites

Before diving into creating a split navigation bar, make sure you have a solid understanding of the following topics:

  1. HTML basics, including tags like `, , , , , , , , and `
  2. CSS (Cascading Style Sheets), including properties such as display, flex, justify-content, align-items, margin, padding, background-color, and border.
  3. Basic understanding of media queries for responsive design
  4. Familiarity with HTML semantics, accessibility, and ARIA roles
  5. Understanding of CSS box model, specificity, inheritance, and cascading
  6. Adequate knowledge of JavaScript (optional but recommended)

Core Concept

To create a split navigation bar, we'll use HTML for structure and CSS for styling. First, let's set up the HTML markup:

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="styles.css">
<title>Split Navigation Bar Example</title>
</head>
<body>
<!-- Split navigation bar container -->
<div class="split-navigation">
<!-- Left side: menu -->
<nav id="menu">
<ul>
<li><a href="#home" aria-current="page">Home</a></li>
<li><a href="#about">About</a></li>
<li><a href="#services">Services</a></li>
<li><a href="#contact">Contact</a></li>
</ul>
</nav>

<!-- Right side: search field, sign in/up, etc. -->
<div class="right-side">
<!-- Search field with an SVG icon -->
<div class="search-field">
<svg viewBox="0 0 24 24" aria-hidden="true"><path d="M16.32 14.9l5-5c-.39-.39-1.02-.39-1.41 0l-5 5c-.39.39-.39 1.02 0 1.41zM7 10c0-3.87 3.13-7 7-7s7 3.13 7 7-3.13 7-7 7-7-3.13-7-7z"></path></svg>
<input type="text" placeholder="Search..." id="search-field">
</div>

<!-- Sign In / Sign Up buttons -->
<button class="sign-in" aria-label="Sign In">Sign In</button>
<button class="sign-up" aria-label="Sign Up">Sign Up</button>
</div>
</body>
</html>

Now, let's add some CSS to style our split navigation bar:

/* Reset default styles */
* {
box-sizing: border-box;
}

/* Split navigation bar container */
.split-navigation {
display: flex;
justify-content: space-between;
align-items: center;
height: 60px;
background-color: #333;
color: white;
}

/* Navigation menu */
#menu {
display: flex;
}

/* Navigation menu list items */
.split-navigation ul {
list-style: none;
display: flex;
}

/* Navigation menu links */
.split-navigation a {
color: white;
padding: 0 15px;
text-decoration: none;
}

/* Active state for navigation menu links */
.split-navigation a.active {
color: #4CAF50;
}

/* Right side container */
.right-side {
display: flex;
align-items: center;
}

/* Search field */
.search-field {
position: relative;
}

/* Search field SVG icon */
.search-field svg {
fill: white;
width: 24px;
height: 24px;
margin-right: 15px;
}

/* Search field input */
#search-field {
border: none;
background-color: white;
color: #333;
padding: 10px 20px 10px 40px; /* Adding space for the SVG icon */
border-radius: 5px;
margin-right: 15px;
}

/* Search field responsiveness */
@media (max-width: 768px) {
#search-field {
width: 100%;
}
}

/* Sign In and Sign Up buttons */
.split-navigation .sign-in,
.split-navigation .sign-up {
background-color: #4CAF50;
color: white;
border: none;
padding: 10px 20px;
border-radius: 5px;
cursor: pointer;
}

Worked Example

You can find a complete example of a split navigation bar in action at this CodePen.

Common Mistakes

  1. Forgetting to include the display: flex; property for the .split-navigation container and its children (menu and right side)
  2. Not setting a height for the .split-navigation container, resulting in an uncontrolled layout
  3. Using incorrect HTML tags or attributes, such as using ` instead of ` for the menu or forgetting to include ARIA roles for accessibility
  4. Neglecting to add a CSS class for the active state of navigation links, resulting in no visual distinction between active and inactive links
  5. Failing to account for responsive design by not using media queries or adjusting styles based on screen size

Practice Questions

  1. How can you add a dropdown menu to the navigation bar?
  • Wrap the items you want to include in a ` with a display: none; property and then add a parent ` with a click event that toggles the display of the submenu using JavaScript or CSS.
  1. How can you make the split navigation bar sticky at the top of the page when scrolling?
  • You can make the split navigation bar sticky by adding position: fixed; to the .split-navigation class and setting a top margin equal to the height of the navigation bar.
  1. How can you add an active state for the currently selected menu item in the navigation bar?
  • To add an active state, you can add a CSS class to the currently selected menu item and apply styles to it using the :active pseudo-class or JavaScript.
  1. How can you ensure that the split navigation bar is accessible to users with disabilities?
  • To make your split navigation bar accessible, use semantic HTML, provide alternative text for images, and ensure proper color contrast between text and background. Additionally, add ARIA roles to elements to help screen readers and other assistive technologies understand the structure of the page.

FAQ

General Questions

How can I customize the design of my split navigation bar?

  • You can modify the CSS styles in your stylesheet to change the colors, fonts, spacing, and other visual aspects of your split navigation bar.

Can I add a dropdown menu to the navigation bar?

  • Yes, you can create a dropdown menu by wrapping the items you want to include in a ` with a display: none; property and then adding a parent ` with a click event that toggles the display of the submenu using JavaScript or CSS.

How can I make the split navigation bar sticky at the top of the page when scrolling?

  • You can make the split navigation bar sticky by adding position: fixed; to the .split-navigation class and setting a top margin equal to the height of the navigation bar.

How can I add an active state for the currently selected menu item in the navigation bar?

  • To add an active state, you can add a CSS class to the currently selected menu item and apply styles to it using the :active pseudo-class or JavaScript.

How can I ensure that the split navigation bar is accessible to users with disabilities?

  • To make your split navigation bar accessible, use semantic HTML, provide alternative text for images, and ensure proper color contrast between text and background. Additionally, add ARIA roles to elements to help screen readers and other assistive technologies understand the structure of the page.

CSS Questions

What is the box model in CSS?

  • The box model in CSS describes how elements are rendered with padding, borders, margins, and content. It includes the content area (content), padding area (padding), border area (border), and margin area (margin).

How does specificity work in CSS?

  • Specificity in CSS determines which styles take precedence when multiple selectors have conflicting rules. The specificity of a selector is calculated based on the number and type of selectors used.

What are media queries, and how can I use them for responsive design?

  • Media queries allow you to apply different styles depending on the characteristics of the device viewing your webpage, such as screen size or orientation. You can use media queries to create a responsive design by adjusting the layout, font sizes, and other visual aspects based on the device's features.

HTML Questions

What are semantic HTML elements, and why should I use them?

  • Semantic HTML elements provide meaning to the content they contain, making it easier for search engines, screen readers, and developers to understand the structure of a webpage. Examples include `, , , , , , , `, and others.

What is ARIA (Accessible Rich Internet Applications), and how can I use it in my HTML?

  • ARIA (Accessible Rich Internet Applications) provides a way to make web content more accessible to people with disabilities by adding roles, properties, and states to HTML elements. This helps screen readers and other assistive technologies understand the structure and functionality of a webpage. For example, you can use role="navigation" on your navigation bar to help screen readers identify it as a navigation element.

What are some best practices for writing clean and maintainable HTML code?

  • Some best practices for writing clean and maintainable HTML code include using semantic HTML elements, adding meaningful attribute values, using proper indentation and whitespace, commenting your code, and validating your HTML using online tools like the W3C Markup Validation Service. Additionally, consider organizing your HTML into logical sections using `, , , , , , `, and other elements to improve readability and maintainability.
Split Navigation (Web Development) | Web Development | XQA Learn