---
title: HTMLMediaElement.seekable
slug: Web/API/HTMLMediaElement/seekable
translation_of: Web/API/HTMLMediaElement/seekable
---
<div>{{APIRef("HTML DOM")}}</div>

<p>{{domxref("HTMLMediaElement")}}的只读属性<strong><code>seekable</code></strong>返回一个包含了用户可以跳转到的时刻的区域（如果有）的{{domxref('TimeRanges')}}对象。</p>

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

<pre class="syntaxbox">var seekable = audioOrVideo.seekable;</pre>

<h3 id="值">值</h3>

<p>一个{{domxref('TimeRanges')}}对象。</p>

<h2 id="示例">示例</h2>

<pre class="brush: html">var video = document.querySelector("video");
var timeRangesObject = video.seekable;
var timeRanges = [];
//遍历所有时间区域并输出数组
for (let count = 0; count &lt; timeRangesObject.length; count ++) {
    timeRanges.push([timeRangesObject.start(count), timeRangesObject.end(count)]);
}
</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('HTML WHATWG', "the-video-element.html#dom-media-seekable", "HTMLMediaElement")}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td>No change from {{SpecName('HTML5 W3C')}}</td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5 W3C', "embedded-content-0.html#dom-media-seekable", "HTMLMediaElement")}}</td>
   <td>{{Spec2('HTML5 W3C')}}</td>
   <td>Initial definition.</td>
  </tr>
  <tr>
   <td>{{SpecName('Media Source Extensions','#htmlmediaelement-extensions','HTMLMediaElement extensions, like for seekable')}}</td>
   <td>{{Spec2('Media Source Extensions')}}</td>
   <td>Specifies a new algorithm for returning the seekable time range of a media element whose source is a {{domxref("MediaSource")}} object.</td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility">Browser compatibility</h2>

<div>


<p>{{Compat("api.HTMLMediaElement.seekable")}}</p>
</div>

<h2 id="See_Also" name="See_Also">See also</h2>

<ul>
 <li>The interface defining it, {{domxref("HTMLMediaElement")}}.</li>
 <li><a href="/en-US/docs/Web/API/Media_Source_Extensions_API">Media Source Extensions API</a></li>
</ul>