blob: 074295f951e99cfac0ac60a802be1e7deff24e81 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
---
title: Performance.memory
slug: Web/API/Performance/memory
translation_of: Web/API/Performance/memory
original_slug: Web/API/Performance/内存
---
<p>{{APIRef}}</p>
<h2 id="语法">语法</h2>
<pre class="syntaxbox"><em>timingInfo</em> = <em>performance</em>.memory</pre>
<h2 id="属性">属性</h2>
<dl>
<dt><code>jsHeapSizeLimit</code></dt>
<dd>上下文内可用堆的最大体积，以字节计算。</dd>
<dt><code>totalJSHeapSize</code></dt>
<dd> 已分配的堆体积，以字节计算。</dd>
</dl>
<dl>
<dt><code>usedJSHeapSize</code></dt>
<dd>当前 JS 堆活跃段（segment）的体积，以字节计算。</dd>
</dl>
<h2 id="规范">规范</h2>
<p>无。</p>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<div>
<p>{{Compat("api.Performance.memory")}}</p>
</div>
<h2 id="查看更多">查看更多</h2>
<ul>
<li>属于 {{domxref("Performance")}} 接口。</li>
</ul>
|
