files/de/web/api/element/hasattribute/index.html


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---
title: Element.hasAttribute()
slug: Web/API/Element/hasAttribute
tags:
  - API
  - Attribut
  - DOM
  - Element
  - Méthode
translation_of: Web/API/Element/hasAttribute
---
<div>{{APIRef("DOM")}}</div>

<p><code>Die Methode </code><strong><code>Element.hasAttribute()</code></strong> nimmt einen <strong>String</strong> als Argument und gibt einen <strong>Boolean</strong> zurück. Der als Argument übergebene <strong>String </strong>spezifiziert das gemeinte Attribut und der Rückabe Wert gibt an, ob dieses Attribut in dem jeweiligen Element vorkommt . </p>

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

<pre class="syntaxbox"><var>var <em>result</em></var> = <em><var>element</var></em>.hasAttribute(<em><var>name</var></em>);
</pre>

<dl>
 <dt><code>result</code></dt>
 <dd>Rückgabewert, wahr oder falsch.</dd>
 <dt><code>name</code></dt>
 <dd>Ein <strong>String</strong>, der das jeweilige Attribut spezifiziert.</dd>
</dl>

<h2 id="Beispiel">Beispiel</h2>

<pre class="brush:js">var foo = document.getElementById("foo");
if (foo.hasAttribute("bar")) {
    // do something
}
</pre>

<h2 id="Polyfill">Polyfill</h2>

<pre class="brush:js">;(function(prototype) {
    prototype.hasAttribute = prototype.hasAttribute || function(name) {
        return !!(this.attributes[name] &amp;&amp;
                  this.attributes[name].specified);
    }
})(Element.prototype);
</pre>

<h2 id="Notizen">Notizen</h2>

<div>{{DOMAttributeMethods}}</div>

<h2 id="Spezifikationen">Spezifikationen</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Spezifikation</th>
   <th scope="col">Status</th>
   <th scope="col">Kommentar</th>
  </tr>
  <tr>
   <td>{{SpecName('DOM WHATWG', '#dom-element-hasattribute', 'Element.hasAttribute()')}}</td>
   <td>{{Spec2('DOM WHATWG')}}</td>
   <td>Von {{SpecName('DOM3 Core')}}, verlegt von {{domxref("Node")}} nach {{domxref("Element")}}</td>
  </tr>
  <tr>
   <td>{{SpecName('DOM3 Core', 'core.html#ID-ElHasAttr', 'Element.hasAttribute()')}}</td>
   <td>{{Spec2('DOM3 Core')}}</td>
   <td>Keine Veränderungen zu {{SpecName('DOM2 Core')}}</td>
  </tr>
  <tr>
   <td>{{SpecName('DOM2 Core', 'core.html#ID-ElHasAttr', 'Element.hasAttribute()')}}</td>
   <td>{{Spec2('DOM2 Core')}}</td>
   <td>Initiale Definition.</td>
  </tr>
 </tbody>
</table>

<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>8.0</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>