diff options
Diffstat (limited to 'files/zh-cn/web/api/htmlmediaelement/duration/index.html')
| -rw-r--r-- | files/zh-cn/web/api/htmlmediaelement/duration/index.html | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/files/zh-cn/web/api/htmlmediaelement/duration/index.html b/files/zh-cn/web/api/htmlmediaelement/duration/index.html new file mode 100644 index 0000000000..575e8be90c --- /dev/null +++ b/files/zh-cn/web/api/htmlmediaelement/duration/index.html @@ -0,0 +1,61 @@ +--- +title: HTMLMediaElement.duration +slug: Web/API/HTMLMediaElement/duration +tags: + - API + - HTML + - Video + - Web +translation_of: Web/API/HTMLMediaElement/duration +--- +<div>{{APIRef("HTML DOM")}}</div> + +<p><strong><code>HTMLMediaElement.duration</code></strong> 属性以秒为单位给出媒体的长度,如果没有媒体数据可用,则为零。</p> + +<h2 id="Syntax" name="Syntax">语法</h2> + +<pre class="brush: js">var <em>myDuration</em> = <em>audioOrVideo</em>.duration</pre> + +<h3 id="值">值</h3> + +<p> 如果媒体数据可用但长度未知,则此值为NaN。 如果媒体流式传输且没有预定义长度,则值为Inf。</p> + +<h2 id="例子">例子</h2> + +<pre class="brush: js">var obj = document.createElement('video'); +console.log(obj.duration); // NaN +</pre> + +<h2 id="规范">规范</h2> + +<table class="standard-table"> + <tbody> + <tr> + <th scope="col">规范</th> + <th scope="col">状态</th> + <th scope="col">注释</th> + </tr> + <tr> + <td>{{SpecName('HTML WHATWG', "the-video-element.html#htmlmediaelement", "HTMLMediaElement.duration")}}</td> + <td>{{Spec2('HTML WHATWG')}}</td> + <td>No change from {{SpecName('HTML5 W3C')}}</td> + </tr> + <tr> + <td>{{SpecName('HTML5 W3C', "embedded-content-0.html#htmlmediaelement", "HTMLMediaElement.duration")}}</td> + <td>{{Spec2('HTML5 W3C')}}</td> + <td>Initial definition.</td> + </tr> + </tbody> +</table> + +<h2 id="浏览器支持">浏览器支持</h2> + +<div class="hidden">此页面上的兼容性表格由结构化数据生成。 如果您想为数据做出贡献,请查看<a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> 并向我们发送拉取请求。</div> + +<p>{{Compat("api.HTMLMediaElement.duration")}}</p> + +<h2 id="See_Also" name="See_Also">相关内容</h2> + +<ul> + <li>定义它的接口, {{domxref("HTMLMediaElement")}}.</li> +</ul> |
