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---
title: Notification.icon
slug: Web/API/notification/icon
tags:
- API
- Notification
translation_of: Web/API/Notification/icon
---
<p>{{APIRef("Web Notifications")}}</p>
<p>{{domxref("Notification")}}的只读属性<strong>icon</strong>使得包含<code>icon</code>的 URL 被显示成通知的一部分，如同指定{{domxref("Notification.Notification","Notification()")}}构造函数中<code>icon</code>的属性。</p>
<p>{{AvailableInWorkers}}</p>
<h2 id="Syntax" name="Syntax">语法</h2>
<pre class="eval">var icon = Notification.icon;
</pre>
<h3 id="Return_Value" name="Return_Value">值</h3>
<p>一个 {{domxref("USVString")}}。</p>
<h2 id="示例">示例</h2>
<p>在此<a href="https://github.com/mdn/emogotchi">示例</a>中，当我们想要发出一个通知时，我们运行一个简单的 <code>spawnNotification() 函数</code>——这是传递参数来指定我们想要的主体、图标和标题，然后它创建必要的<code>options</code>对象，并使用{{domxref("Notification.Notification","Notification()")}}构造函数来触发通知。</p>
<pre class="brush: js">function spawnNotification(theBody,theIcon,theTitle) {
var options = {
body: theBody,
icon: theIcon
}
var n = new Notification(theTitle,options);
}</pre>
<h2 id="Specifications">Specifications</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 Notifications','#dom-notification-icon','icon')}}</td>
<td>{{Spec2('Web Notifications')}}</td>
<td>Living standard</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("api.Notification.icon")}}</p>
<h2 id="参见">参见</h2>
<ul>
<li><a href="/en-US/docs/Web/API/Notifications_API/Using_the_Notifications_API">Using the Notifications API</a></li>
</ul>
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