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author | Florian Merz <me@fiji-flo.de> | 2021-02-11 12:56:40 +0100 |
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committer | Florian Merz <me@fiji-flo.de> | 2021-02-11 12:56:40 +0100 |
commit | 310fd066e91f454b990372ffa30e803cc8120975 (patch) | |
tree | d5d900deb656a5da18e0b60d00f0db73f3a2e88e /files/zh-cn/web/api/baseaudiocontext/currenttime | |
parent | 8260a606c143e6b55a467edf017a56bdcd6cba7e (diff) | |
download | translated-content-310fd066e91f454b990372ffa30e803cc8120975.tar.gz translated-content-310fd066e91f454b990372ffa30e803cc8120975.tar.bz2 translated-content-310fd066e91f454b990372ffa30e803cc8120975.zip |
unslug zh-cn: move
Diffstat (limited to 'files/zh-cn/web/api/baseaudiocontext/currenttime')
-rw-r--r-- | files/zh-cn/web/api/baseaudiocontext/currenttime/index.html | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/files/zh-cn/web/api/baseaudiocontext/currenttime/index.html b/files/zh-cn/web/api/baseaudiocontext/currenttime/index.html new file mode 100644 index 0000000000..fbdaf4315c --- /dev/null +++ b/files/zh-cn/web/api/baseaudiocontext/currenttime/index.html @@ -0,0 +1,112 @@ +--- +title: AudioContext.currentTime +slug: Web/API/AudioContext/currentTime +translation_of: Web/API/BaseAudioContext/currentTime +--- +<p>{{ APIRef("Web Audio API") }}</p> + +<div> +<p><code>currentTime是</code>{{ domxref("AudioContext") }}的一个read-only<code>属性,返回</code>double秒(从0开始)表示一个只增不减的硬件时间戳,可以用来控制音频回放,实现可视化时间轴等等。</p> +</div> + +<h2 id="语法">语法</h2> + +<pre class="brush: js">var audioCtx = new AudioContext(); +console.log(audioCtx.currentTime);</pre> + +<h3 id="返回值">返回值</h3> + +<p>A double.</p> + +<h2 id="例子">例子</h2> + +<div class="note"> +<p><strong>注意</strong>:想要<em>完整的</em><em>Web Audio例子的话,</em>可以去<a href="https://github.com/mdn/" style="font-style: italic; background-color: rgba(231, 228, 157, 0.247059);">MDN Github repo</a>看DEMO(例如<a href="https://github.com/mdn/panner-node" style="line-height: 1.5; text-decoration: underline;">panner-node</a>)<span style="line-height: 1.5;">。</span><em>不妨试试在浏览器控制台输入</em><code style="font-style: italic; line-height: 1.5;">audioCtx.currentTime。</code></p> +</div> + +<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="规范">规范</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('Web Audio API', '#widl-AudioContext-currentTime', 'currentTime')}}</td> + <td>{{Spec2('Web Audio API')}}</td> + <td> </td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</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> +</div> + +<h2 id="另见">另见</h2> + +<ul> + <li><a href="/en-US/docs/Web_Audio_API/Using_Web_Audio_API">Using the Web Audio API</a></li> +</ul> |