Revision 1089709 of decodeURI()

<div>{{jsSidebar("Objects")}}</div>

<p>The <code><strong>decodeURI()</strong></code> function decodes a Uniform Resource Identifier (URI) previously created by {{jsxref("encodeURI")}} or by a similar routine.</p>

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

<pre class="syntaxbox">
<code>decodeURI(<em>encodedURI</em>)</code></pre>

<h3 id="Parameters">Parameters</h3>

<dl>
 <dt><code>encodedURI</code></dt>
 <dd>A complete, encoded Uniform Resource Identifier.</dd>
</dl>

<h3 id="Return_value">Return value</h3>

<p>A new string in which certain characters have been unescaped.</p>

<h2 id="Description">Description</h2>

<p>Replaces each escape sequence in the encoded URI with the character that it represents, but does not decode escape sequences that could not have been introduced by {{jsxref("encodeURI")}}. The character “<code>#</code>” is not decoded from escape sequences.</p>

<h2 id="Examples">Examples</h2>

<h3 id="Decoding_a_Cyrillic_URL">Decoding a Cyrillic URL</h3>

<pre class="brush: js">
decodeURI("https://developer.mozilla.org/ru/docs/JavaScript_%D1%88%D0%B5%D0%BB%D0%BB%D1%8B");
// "https://developer.mozilla.org/ru/docs/JavaScript_шеллы"
</pre>

<h2 id="Specifications">Specifications</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
  <tr>
   <td>{{SpecName('ES3')}}</td>
   <td>{{Spec2('ES3')}}</td>
   <td>Initial definition.</td>
  </tr>
  <tr>
   <td>{{SpecName('ES5.1', '#sec-15.1.3.1', 'decodeURI')}}</td>
   <td>{{Spec2('ES5.1')}}</td>
   <td>&nbsp;</td>
  </tr>
  <tr>
   <td>{{SpecName('ES6', '#sec-decodeuri-encodeduri', 'decodeURI')}}</td>
   <td>{{Spec2('ES6')}}</td>
   <td>&nbsp;</td>
  </tr>
  <tr>
   <td>{{SpecName('ESDraft', '#sec-decodeuri-encodeduri', 'decodeURI')}}</td>
   <td>{{Spec2('ESDraft')}}</td>
   <td>&nbsp;</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>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</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>Chrome for 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>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
   <td>{{CompatVersionUnknown}}</td>
  </tr>
 </tbody>
</table>
</div>

<h2 id="See_also">See also</h2>

<ul>
 <li>{{jsxref("decodeURIComponent")}}</li>
 <li>{{jsxref("encodeURI")}}</li>
 <li>{{jsxref("encodeURIComponent")}}</li>
</ul>