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---
title: UIEvent.detail
slug: Web/API/UIEvent/detail
translation_of: Web/API/UIEvent/detail
---
<p>{{APIRef("DOM Events")}}</p>
<p><strong><code>UIEvent.detail是只读属性</code></strong>, 当值为非空的时候, 提供当前点击数(和环境有关) 。</p>
<p>对 {{event("click")}} 或者 {{event("dblclick")}} 事件, <code>UIEvent.detail</code> 是当前点击数量。</p>
<p>对 {{event("mousedown")}} 或者 {{event("mouseup")}} 事件, <code>UIEvent.detail是1加上当前点击数。</code></p>
<p>对所有的其它{{domxref("UIEvent")}} 对象, <code>UIEvent.detail</code> 总是零.</p>
<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('DOM3 Events','#widl-UIEvent-detail','UIEvent.detail')}}</td>
<td>{{Spec2('DOM3 Events')}}</td>
<td> </td>
</tr>
<tr>
<td>{{SpecName('DOM2 Events','#Events-UIEvent-detail','UIEvent.detail')}}</td>
<td>{{Spec2('DOM2 Events')}}</td>
<td>Initial definition.</td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility" name="Browser_compatibility">Browser compatibility</h2>
<p>{{ CompatibilityTable() }}</p>
<div id="compat-desktop">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Firefox (Gecko)</th>
<th>Chrome</th>
<th>Internet Explorer</th>
<th>Opera</th>
<th>Safari</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{CompatUnknown()}}</td>
<td>{{CompatUnknown()}}</td>
<td>{{CompatUnknown()}}</td>
<td>{{CompatUnknown()}}</td>
<td>{{CompatUnknown()}}</td>
</tr>
</tbody>
</table>
</div>
<div id="compat-mobile">
<table class="compat-table">
<tbody>
<tr>
<th>Feature</th>
<th>Firefox Mobile (Gecko)</th>
<th>Android</th>
<th>IE Mobile</th>
<th>Opera Mobile</th>
<th>Safari Mobile</th>
</tr>
<tr>
<td>Basic support</td>
<td>{{ CompatUnknown() }}</td>
<td>{{ CompatUnknown() }}</td>
<td>{{ CompatUnknown() }}</td>
<td>{{ CompatUnknown() }}</td>
<td>{{ CompatUnknown() }}</td>
</tr>
</tbody>
</table>
</div>
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