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- <title>Using Parent Selectors in CSS</title>
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-<h1 id="using-parent-selectors-in-css">Using Parent Selectors in CSS</h1>
-<p>2018-12-19</p>
-<p>I recently saw a Twitter thread posted by Tommy Hodgins on implementing highly requested styling features in CSS with only a minimal amount of JavaScript. Many of his examples are great, but the <code>parent</code> selector instantly peaked my interest.</p>
-<p>Being able to target an element&#8217;s parent always becomes a minor annoyance (since vanilla CSS does not support it) - so you always end up having to do something a little ugly like:</p>
-<pre><code>var el = document.getElementById(&#39;custom-div&#39;);
-var parent = el.closest(selectors);
-</code></pre>
-<p>And then add any custom styling to the parent element directly in JavaScript - or toggle a class which opens a whole other can of worms.</p>
-<h2 id="save-the-day-with-jsincss-parent-selector-and-qaffeine">Save the day with jsincss-parent-selector and qaffeine</h2>
-<p>By using the <code>jsincss-parent-selector</code> and <code>qaffeine</code> plugins we can target an element&#8217;s parent in CSS without breaking a sweat. Let&#8217;s break it down:</p>
-<h3 id="import-the-packages">Import the packages</h3>
-<pre><code>npm install jsincss-parent-selector qaffeine
-</code></pre>
-<h3 id="html-ex.-index.html">HTML (ex. index.html)</h3>
-<p>Now we add our very simple HTML skeleton:</p>
-<pre><code>&#60;!doctype html&#62;
-&#60;html&#62;
- &#60;head&#62;
- &#60;link rel="stylesheet" href="output.css"&#62;
- &#60;&#47;head&#62;
- &#60;body&#62;
- &#60;header&#62;
- &#60;main&#62;
- &#60;h2&#62;This is a header&#60;&#47;h2&#62;
- &#60;&#47;main&#62;
- &#60;&#47;header&#62;
- &#60;&#47;body&#62;
- &#60;script src=output.js&#62;&#60;&#47;script&#62;
-&#60;&#47;html&#62;
-</code></pre>
-<h3 id="javascript-ex.-input.js">JavaScript (ex. input.js)</h3>
-<pre><code>const qaffeine = require(&#39;qaffeine&#39;)
-const parent = require(&#39;jsincss-parent-selector&#39;)
-
-qaffeine(
-{
- stylesheet: {},
- rules: {
- parent
- }
-},
-&#39;input.css&#39;,
-&#39;output.js&#39;,
-&#39;output.css&#39;
-)
-</code></pre>
-<h3 id="css-ex.-input.css">CSS (ex. input.css)</h3>
-<pre><code>header {
- display: block;
-}
-main[--js-parent] {
- background: blue;
-}
-</code></pre>
-<p>Then simply run <code>node</code> against your <code>js</code> file. That&#8217;s it! I would also suggest checking out Tommy&#8217;s video covering this topic if you prefer to follow along.</p>
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