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<title>Simple Navigation Setup in Jekyll 3.9.0</title>
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<h1 id="simple-navigation-setup-in-jekyll-3.9.0">Simple Navigation Setup in Jekyll 3.9.0</h1>
<p>2020-09-29</p>
<p>I have found that there is a lot of information on the internet in regards to setting up “dynamic” navigation in Jekyll. The problem I’ve noticed is that a good amount of these implementations are overly complex. Here is the simplest way that I tend to use when building out <code>nav</code> elements in Jekyll (3.9.0 as of this writing).</p>
<h2 id="creating-the-directories-files">Creating the Directories & Files</h2>
<p>In your Jekyll project, at the top level, you need to create a directory called <code>_data</code>. Inside this folder we will be creating a new file called <code>navigation.yml</code>. The contents of this file will contain all your navigation links and they are rendered like so:</p>
<pre><code>- title: Home
url: /
- title: Articles
url: /articles/
- title: About
url: /about/
</code></pre>
<h2 id="dynamically-rendering-the-navigation">Dynamically Rendering the Navigation</h2>
<p>The next and final step is rendering out the navigation with a simple loop:</p>
<pre><code>{% for item in site.data.navigation %}
<li>
<a href="{{ item.url }}"><span>{{ item.title }}</span></a>
</li>
{% endfor %}
</code></pre>
<h2 id="highlight-current-page">Highlight Current Page</h2>
<p>It’s also very easy to extend this method to add a CSS class based on whether a user is on the currently selected page or not:</p>
<pre><code>{% for item in site.data.navigation %}
<li>
{% if item.url == page.url %}
<a class="active" href="{{ item.url }}"><span>{{ item.title }}</span></a>
{% else %}
<a href="{{ item.url }}"><span>{{ item.title }}</span></a>
{% endif %}
</li>
{% endfor %}
/* Custom styling for active class */
li a.active { color: red; }
</code></pre>
<p>Congrats! You now have fully functional, dynamic navigation on your Jekyll site.</p>
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