Revision 841627 of CSSGroupingRule

<p>{{ APIRef("CSSOM") }}</p>

<p>An object implementing the <strong><code>CSSGroupingRule</code></strong> interface represents any CSS at-rule that contains other rules nested within it.</p>

<p>Objects deriving from it :</p>

<ul>
 <li>{{domxref("CSSConditionRule")}} and its children: {{domxref("CSSMediaRule")}}, {{domxref("CSSSupportsRule")}}, and {{domxref("CSSDocumentRule")}}.</li>
 <li>{{comxref("CSSPageRule")}}</li>
</ul>

<h2 id="Properties" name="Properties">Syntax</h2>

<p>The syntax is described using the <a href="https://dev.w3.org/2006/webapi/WebIDL/" title="https://dev.w3.org/2006/webapi/WebIDL/">WebIDL</a> format.</p>

<pre>
interface CSSGroupingRule : CSSRule {
    readonly attribute CSSRuleList cssRules;
    unsigned long insertRule (DOMString rule, unsigned long index);
    void deleteRule (unsigned long index);
}
</pre>

<h2 id="Properties_common_to_all_CSSGroupingRule_instances">Properties common to all CSSGroupingRule instances</h2>

<p>The <code>CSSGroupingRule</code> derives from {{domxref("CSSRule")}} and inherits all properties of this class. It has one specific property:</p>

<dl>
 <dt id="cssRules">{{domxref("CSSGroupingRule.cssRules")}} {{readonlyinline}}</dt>
 <dd>Returns a {{domxref("CSSRuleList")}} of the CSS rules in the media rule.</dd>
</dl>

<h2 id="Methods_common_to_all_CSSGroupingRule_instances">Methods common to all CSSGroupingRule instances</h2>

<p>The <code>CSSGroupingRule</code> derives from {{domxref("CSSRule")}} and inherits all methods of this class. It has two specific methods:</p>

<dl>
 <dt id="deleteRule">{{domxref("CSSGroupingRule.deleteRule")}}</dt>
 <dd>Deletes a rule from the style sheet.</dd>
 <dt id="insertRule">{{domxref("CSSGroupingRule.insertRule")}}</dt>
 <dd>Inserts a new style rule into the current style sheet.</dd>
</dl>

<h2 id="Specification" name="Specification">Specification</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-cssgroupingrule-interface', 'CSSGroupingRule') }}</td>
   <td>{{ Spec2('CSS3 Conditional') }}</td>
   <td>Initial definition.</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Browser compatibility</h2>

<p>{{ CompatibilityTable() }}</p>

<div id="compat-desktop">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Chrome</th>
   <th>Firefox (Gecko)</th>
   <th>Internet Explorer</th>
   <th>Opera</th>
   <th>Safari (WebKit)</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{ CompatChrome(45.0) }}</td>
   <td>{{ CompatGeckoDesktop("20.0") }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
  </tr>
 </tbody>
</table>
</div>

<div id="compat-mobile">
<table class="compat-table">
 <tbody>
  <tr>
   <th>Feature</th>
   <th>Android</th>
   <th>Android Webview</th>
   <th>Firefox Mobile (Gecko)</th>
   <th>IE&nbsp;Phone</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
   <th>Chrome for Android</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatChrome(45.0) }}</td>
   <td>{{ CompatGeckoMobile("20.0") }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{ CompatNo() }}</td>
   <td>{{CompatChrome(45.0)}}</td>
  </tr>
 </tbody>
</table>
</div>

<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>
 <li>{{CSSOM}}</li>
</ul>