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---
title: CSSConditionRule
slug: Web/API/CSSConditionRule
translation_of: Web/API/CSSConditionRule
---
<p>{{ APIRef("CSSOM") }}</p>
<p>An object implementing the <strong><code>CSSConditionRule</code></strong> interface represents a single condition CSS at-rule, which consists of a condition and a statement block. It is a child of {{domxref("CSSGroupingRule")}}.</p>
<p>Two objects derive from it : {{domxref("CSSMediaRule")}} and {{domxref("CSSSupportsRule")}}.</p>
<h2 id="Syntax">Syntax</h2>
<p>The syntax is described using the <a class="external" href="http://dev.w3.org/2006/webapi/WebIDL/">WebIDL</a> format.</p>
<pre>interface CSSConditionRule : CSSGroupingRule {
attribute DOMString conditionText;
}
</pre>
<h2 id="Properties">Properties</h2>
<p>The <code>CSSConditionRule</code> derives from {{domxref("CSSRule")}}, {{domxref("CSSGroupingRule")}} and inherits all properties of these classes. It has one specific property:</p>
<dl>
<dt>{{domxref("CSSConditionRule.conditionText")}}</dt>
<dd>Represents the text of the condition of the rule.</dd>
</dl>
<h2 id="Methods">Methods</h2>
<p>The <code>CSSConditionRule</code> derives from {{domxref("CSSRule")}}, {{domxref("CSSGroupingRule")}} and inherits all methods of these classes. It has no specific property of its own.</p>
<h2 id="Specification">Specifications</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">Specification</th>
<th scope="col">Status</th>
<th scope="col">Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{ SpecName('CSS3 Conditional', '#the-cssconditionrule-interface', 'CSSConditionRule') }}</td>
<td>{{ Spec2('CSS3 Conditional') }}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility">Browser compatibility</h2>
<p>{{Compat("api.CSSConditionRule")}}</p>
<h2 id="See_also">See also</h2>
<ul>
<li><a href="/en/DOM/Using_dynamic_styling_information" title="en/DOM/Using_dynamic_styling_information">Using dynamic styling information</a></li>
</ul>
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