From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001
From: Peter Bengtsson <mail@peterbe.com>
Date: Tue, 8 Dec 2020 14:40:17 -0500
Subject: initial commit

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+---
+title: SharedArrayBuffer.prototype.byteLength
+slug: Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/byteLength
+tags:
+  - SharedArrayBuffer
+translation_of: Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/byteLength
+---
+<div>{{JSRef}}</div>
+
+<p> <code><strong>byteLength</strong></code> 访问器属性表示以字节为单位的一个{{jsxref("SharedArrayBuffer")}}的长度。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><var>sab</var>.byteLength</pre>
+
+<h2 id="描述">描述</h2>
+
+<p><code>byteLength</code>属性是一个访问者属性，其set访问者函数为 <code>undefined</code>，这意味着您只能读取此属性。 该值在构造共享数组时建立，并且无法更改。</p>
+
+<h2 id="例子">例子</h2>
+
+<pre class="brush:js">var sab = new SharedArrayBuffer(1024);
+sab.byteLength; // 1024
+</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('ESDraft', '#sec-get-sharedarraybuffer.prototype.bytelength', 'SharedArrayBuffer.prototype.byteLength')}}</td>
+   <td>{{Spec2('ESDraft')}}</td>
+   <td>Initial definition in ES2017.</td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+
+
+<p>{{Compat("javascript.builtins.SharedArrayBuffer.byteLength")}}</p>
+
+<h2 id="相关链接">相关链接</h2>
+
+<ul>
+ <li>{{jsxref("SharedArrayBuffer")}}</li>
+</ul>
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