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In pure javascript I think this would do it:<br />
<br />

<pre><code id="code-20-40467077-1">&lt;script&gt;
function change_class(ele){
	d = ele.parentNode;
	d.className = d.className + &quot; another_class&quot;;
}
&lt;/script&gt;

&lt;div class=&quot;one_class&quot;&gt;
	&lt;div id=&quot;element&quot; onClick=&quot;change_class(this)&quot;&gt;Content&lt;/div&gt;
&lt;/div&gt;</code></pre>
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In pure javascript I think this would do it:



<script>
function change_class(ele){
	d = ele.parentNode;
	d.className = d.className + " another_class";
}
</script>

<div class="one_class">
	<div id="element" onClick="change_class(this)">Content</div>
</div>

<div>
<div class="content wysiwyg-content">
javascript to set the parents css selector on a click event
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javascript to set the parents css selector on a click event

JavaScript is a dynamic, object-based language commonly used for client-side scripting in web browsers. Recently, server side JavaScript frameworks have also emerged. JavaScript runs on nearly every operating system and  in almost every mainstream web browser.