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---
title: Navigator.canShare
slug: Web/API/Navigator/canShare
translation_of: Web/API/Navigator/canShare
---
<div>{{APIRef("HTML DOM")}}{{SeeCompatTable}}{{securecontext_header}}</div>
<div></div>
<div>如果对<code><a href="/zh-CN/docs/Web/API/Navigator/share">Navigator.share()</a></code> 的调用成功，则Web Share API的<strong><code>Navigator.canShare()</code></strong>方法将返回true。</div>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">var canShare = <em>navigator</em>.canShare(<em>data</em>);</pre>
<h3 id="参数">参数</h3>
<dl>
<dt><code>data</code> {{optional_inline}}</dt>
<dd>包含要共享的数据的对象，该对象要与{{domxref("Navigator.share()")}}方法传递的数据相匹配。</dd>
</dl>
<h3 id="返回值">返回值</h3>
<p>{{jsxref('Boolean')}}值. {{domxref("Navigator.share()")}}若返回True则表示内容可以被成功分享。</p>
<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 Share API 2','#canshare-method','canShare')}}</td>
<td>{{Spec2('Web Share API 2')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="浏览器兼容性">浏览器兼容性</h2>
<p>{{Compat("api.Navigator.canShare")}}</p>
<h2 id="相关连接">相关连接</h2>
<p>{{domxref('navigator.share', 'navigator.share()')}}</p>
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