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+---
+title: Node.hasChildNodes()
+slug: Web/API/Node/hasChildNodes
+tags:
+ - API DOM Methode Node
+translation_of: Web/API/Node/hasChildNodes
+---
+<div>
+<div>{{APIRef("DOM")}}</div>
+</div>
+
+<p>Die <code><strong>Node.hasChildNodes()</strong></code> Methode liefert einen <strong>Boolean</strong> Wert der anzeigt ob die aktuelle {{domxref("Node")}} <a href="/en-US/docs/Web/API/Node.childNodes" title="DOM/Node.childNodes">child nodes</a> hat oder nicht.</p>
+
+<h2 id="Syntax" name="Syntax">Syntax</h2>
+
+<pre class="syntaxbox"><code><em>result</em> = <em>node</em>.hasChildNodes();</code></pre>
+
+<dl>
+ <dt><code>result</code></dt>
+ <dd>enthält den return Wert <code>true</code> oder <code>false</code>.</dd>
+</dl>
+
+<h2 id="Example" name="Example">Beispiele</h2>
+
+<p>Das nächste Beispiel entfernt die erste child node innerhalb dem element mit der id <code>"foo"</code> wenn foo child nodes enthält.</p>
+
+<pre class="brush:js">var foo = document.getElementById("foo");
+if (foo.hasChildNodes()) {
+ // do something with 'foo.childNodes'
+}
+</pre>
+
+<h2 id="Polyfill">Polyfill</h2>
+
+<pre class="brush:js">;(function(prototype) {
+ prototype.hasChildNodes = prototype.hasChildNodes || function() {
+ return !!this.firstChild;
+ }
+})(Node.prototype);
+</pre>
+
+<h2 id="Zusammenfassung">Zusammenfassung</h2>
+
+<p>Es gibt unterschiedliche Wege herauszufinden ob die node eine child node enthält.</p>
+
+<ul>
+ <li>node.hasChildNodes()</li>
+ <li>node.firstChild != null (or just node.firstChild)</li>
+ <li>node.childNodes &amp;&amp; node.childNodes.length (or node.childNodes.length &gt; 0)</li>
+</ul>
+
+<h2 id="Specification" name="Specification">Spezifikation</h2>
+
+<ul>
+ <li><a href="https://dom.spec.whatwg.org/#dom-node-haschildnodes">WHATWG: hasChildNodes</a></li>
+ <li><a class="external" href="http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-810594187">hasChildNodes</a></li>
+</ul>
+
+<h2 id="Browser_Kompatibilität">Browser Kompatibilität</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Chrome</th>
+ <th>Edge</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>7.0</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Android</th>
+ <th>Edge</th>
+ <th>Firefox Mobile (Gecko)</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<p> </p>
+
+<h2 id="See_also" name="See_also">Siehe auch</h2>
+
+<ul>
+ <li>{{domxref("Node.childNodes")}}</li>
+ <li>{{domxref("Node.hasAttributes")}}</li>
+</ul>