If you’re looking to enhance the user experience on your website by dynamically switching header styles as users scroll, the Midnight jQuery plugin is an excellent choice. This plugin allows you to create a visually appealing navigation experience that adapts to the content below. Follow this guide to install, set up, and troubleshoot the Midnight plugin.

Installation of Midnight

Midnight is available through Bower and NPM. Here’s how to install it:

• For Bower, run: bower install midnight.js
• For NPM, run: npm install midnight.js

Quick Start Guide

To get started with the Midnight plugin, follow these steps:

1. Create Your Fixed Navigation:
Ensure your fixed nav or header is set up correctly. A simple example is as follows:

<nav class="fixed">
    <a class="logo">Logo</a>
</nav>

2. Add Data Attributes:
For any sections that require a specific header, use the data-midnight="your-class" attribute:

<section data-midnight="white">
    <h1>A section with a dark background, so a white nav would look better here</h1>
</section>
<div data-midnight="blue">
    <h1>A blue nav looks better here</h1>
</div>
<footer>
    <h1>This will just use the default header</h1>
</footer>

What this does is create multiple headers as needed based on the classes declared in these sections.

Styling Your Headers

Style your headers in the CSS file using:

<style>
.midnightHeader.default {
    background: none;
    color: black;
}
.midnightHeader.white {
    background: white;
    color: black;
}
.midnightHeader.blue {
    background: blue;
    color: white;
}
.midnightHeader.red {
    background: red;
    color: white;
}
</style>

3. Initialize Midnight:

Load Midnight and initialize it as shown below:

<script src="midnight.jquery.js"></script>
<script>
    $(document).ready(function() {
        $(nav.fixed).midnight();
    });
</script>

Using Custom Markup

If you want to create a special header (e.g., one with a butterfly), follow these steps:

• Add a header with the class .midnightHeader.default.
• Add another header with the custom class .midnightHeader.butterfly.

This allows you to use unique markup for specific headers while ensuring uniform height:

<nav class="fixed">
    <div class="midnightHeader default">
        <a class="logo">Logo</a>
    </div>
    <div class="midnightHeader butterfly">
        <a class="logo">Logo</a>
        <span class="a-butterfly">-- Everybody loves butterflies! --</span>
        <span class="another-butterfly">-- OH GOD THEY ARE IN MY FACE --</span>
        <span class="yet-another-butterfly">-- AAAAAHHHHHHHHHHHHHHHHHHHHH --</span>
    </div>
</nav>

Options for Customization

You can pass various options while initializing the plugin:

$(nav).midnight({
    headerClass: 'midnightHeader',
    innerClass: 'midnightInner',
    defaultClass: 'default'
});

Running Multiple Instances with Different Breakpoints

To utilize multiple instances of Midnight, you can define a different section selector:

$(nav.one).midnight({
    sectionSelector: 'midnight'
});
$(nav.two).midnight({
    sectionSelector: 'noon'
});

CDN Hosting for Ease of Use

For optimal performance, consider using the jsDelivr CDN to load Midnight:

<script src="https://cdn.jsdelivr.net/npm/midnight.js@version/dist/midnight.jquery.min.js"></script>

Troubleshooting

If you encounter any issues, here are some troubleshooting tips to consider:

• Ensure your nav does not have any padding or margins that could disrupt the rendering of headers.
• iOS 7 and older Android devices may experience a choppy scrollTop effect. This can sometimes be mitigated by wrapping the body in a container and detecting touch events.
• Headers must maintain uniform height; consider adjusting header heights in your CSS.

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