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+---
+title: Node.getUserData()
+slug: Web/API/Node/getUserData
+translation_of: Web/API/Node/getUserData
+---
+<p>{{ APIRef }}{{ obsolete_header() }}</p>
+<p>The <code><strong>Node.getUserData()</strong></code> method returns any user {{domxref("DOMUserData")}} set previously on the given node by {{domxref("Node.setUserData()")}}.</p>
+<div class="note">
+ <p>The <code>Node.setUserData</code> and {{domxref("Node.getUserData")}} methods are no longer available from Web content. {{domxref("Element.dataset")}} or <a href="/en-US/docs/JavaScript/Reference/Global_Objects/WeakMap"><code>WeakMap</code></a> can be used instead.</p>
+</div>
+<h2 id="Syntax">Syntax</h2>
+<pre class="syntaxbox"><em>userData</em> = <em>someNode</em>.getUserData(<em>userKey</em>);</pre>
+<h3 id="Parameters">Parameters</h3>
+<ul>
+ <li><code>userKey</code> is the key to choose the specific data sought for the given node. More than one key may have been assigned on a given node, containing its own value.</li>
+</ul>
+<h2 id="Example">Example</h2>
+<pre class="brush: js">var d = document.setUserData('key', 15, null);
+alert(document.getUserData('key')); // 15</pre>
+<h2 id="Specifications">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('DOM WHATWG', '#interface-node', 'Node')}}</td>
+   <td>{{Spec2('DOM WHATWG')}}</td>
+   <td>Removed from the specification.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName('DOM3 Core', 'core.html#Node3-getUserData', 'Node.getUserData()')}}</td>
+   <td>{{Spec2('DOM3 Core')}}</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</th>
+   </tr>
+   <tr>
+    <td>Basic support</td>
+    <td>{{CompatNo}}</td>
+    <td>Supported from {{CompatGeckoDesktop("1.0")}} to {{CompatGeckoDesktop("21.0")}}.<br>
+     Removed in {{CompatGeckoDesktop("22.0")}} [1]</td>
+    <td>{{CompatUnknown}}</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>Firefox Mobile (Gecko)</th>
+    <th>IE Mobile</th>
+    <th>Opera Mobile</th>
+    <th>Safari Mobile</th>
+   </tr>
+   <tr>
+    <td>Basic support</td>
+    <td>{{CompatNo}}</td>
+    <td>Supported from {{CompatGeckoMobile("1.0")}} to {{CompatGeckoMobile("21.0")}}.<br>
+     Removed in {{CompatGeckoMobile("22.0")}} [1]</td>
+    <td>{{CompatVersionUnknown}}</td>
+    <td>{{CompatNo}}</td>
+    <td>{{CompatNo}}</td>
+   </tr>
+  </tbody>
+ </table>
+</div>
+<p>[1] The method is still available from chrome scripts.</p>
+<h2 id="See_also">See also</h2>
+<ul>
+ <li>{{domxref("Node.setUserData()")}}</li>
+ <li>{{domxref("UserDataHandler")}}</li>
+ <li>{{domxref("DOMUserData")}}</li>
+</ul>