---
title: OffscreenCanvas.height
slug: Web/API/OffscreenCanvas/height
translation_of: Web/API/OffscreenCanvas/height
---
<div>{{APIRef("Canvas API")}} {{SeeCompatTable}}</div>

<p>设置或者获取{{domxref("OffscreenCanvas")}} 对象的高度.</p>

<h2 id="语法">语法</h2>

<pre class="syntaxbox"><var>var <em>pxl</em> = <em>offscreen</em></var>.height;
<em>offscreen</em>.height = <em>pxl</em>;</pre>

<dl>
</dl>

<h2 id="例子">例子</h2>

<p>创建一个新的离屏 canvas，获取或者设置离屏 canvas 的高度：</p>

<pre class="brush: js">var offscreen = new OffscreenCanvas(256, 256);
offscreen.height; // 256
offscreen.height = 512;
</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('HTML WHATWG', "#dom-offscreencanvas-height", "OffscreenCanvas.height")}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td></td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

<div>


<p>{{Compat("api.OffscreenCanvas.height")}}</p>
</div>

<h2 id="另外参阅">另外参阅</h2>

<ul>
 <li>{{domxref("OffscreenCanvas")}}, 此属性所属的接口。</li>
</ul>