---
title: AudioContext.currentTime
slug: Web/API/BaseAudioContext/currentTime
tags:
  - API
  - AudioContext
  - Propriedade
  - Referencia
  - Web Audio API
  - currentTime
translation_of: Web/API/BaseAudioContext/currentTime
original_slug: Web/API/AudioContext/currentTime
---
<p>{{ APIRef("Web Audio API") }}</p>

<div>
<p>The <code>currentTime</code> read-only property of the {{ domxref("AudioContext") }} interface returns a double representing an ever-increasing hardware timestamp in seconds that can be used for scheduling audio playback, visualizing timelines, etc. It starts at 0.</p>
</div>

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

<pre class="brush: js">var audioCtx = new AudioContext();
console.log(audioCtx.currentTime);
</pre>

<h2 id="Exemplo">Exemplo:</h2>

<pre class="brush: js;highlight[8]">var AudioContext = window.AudioContext || window.webkitAudioContext;
var audioCtx = new AudioContext();
// Older webkit/blink browsers require a prefix

...

console.log(audioCtx.currentTime);
</pre>

<h2 id="Especificações">Especificações:</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">Especificações:</th>
   <th scope="col">Status</th>
   <th scope="col">Comentario</th>
  </tr>
  <tr>
   <td>{{SpecName('Web Audio API', '#widl-AudioContext-currentTime', 'currentTime')}}</td>
   <td>{{Spec2('Web Audio API')}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Compatibilidade com navegadores</h2>

<div>{{CompatibilityTable}}</div>

<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(10.0)}}{{property_prefix("webkit")}}</td>
   <td>{{CompatGeckoDesktop(25.0)}} </td>
   <td>{{CompatNo}}</td>
   <td>15.0{{property_prefix("webkit")}}<br>
    22 (unprefixed)</td>
   <td>6.0{{property_prefix("webkit")}}</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>Firefox OS</th>
   <th>IE Mobile</th>
   <th>Opera Mobile</th>
   <th>Safari Mobile</th>
   <th>Chrome for Android</th>
  </tr>
  <tr>
   <td>Basic support</td>
   <td>{{CompatUnknown}}</td>
   <td>26.0</td>
   <td>1.2</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>{{CompatUnknown}}</td>
   <td>33.0</td>
  </tr>
 </tbody>
</table>

<p> </p>
</div>

<h2 id="Veja_também">Veja também:</h2>

<ul>
 <li><a href="/en-US/docs/Web_Audio_API/Using_Web_Audio_API">Usando a API Web Audio API</a></li>
</ul>