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---
title: selected
slug: Mozilla/Tech/XUL/Attribute/selected
tags:
- XUL Attributes
translation_of: Archive/Mozilla/XUL/Attribute/selected
---
<div class="noinclude">
<span class="breadcrumbs xulRefAttr_breadcrumbs">« <a href="/zh-CN/docs/XUL_Reference">XUL Reference home</a></span></div>
<dl>
<dt>
<code id="a-selected"><a href="https://developer.mozilla.org/zh-CN/docs/Mozilla/Tech/XUL/Attribute/selected">selected</a></code></dt>
<dd>
Type:
<i>
boolean</i>
</dd>
<dd>
Indicates whether the element is selected or not. This value is read-only. To change the selection, set either the <code><span><a href="https://developer.mozilla.org/zh-CN/docs/XUL/Property/selectedIndex">selectedIndex</a></span></code> or <code><span><a href="https://developer.mozilla.org/zh-CN/docs/XUL/Property/selectedItem">selectedItem</a></span></code> property of the containing element.</dd>
</dl>
<div class="noinclude">
<h3 id="See_also" name="See_also">See also</h3>
<ul>
<li><a href="cn/XUL/Attribute/prefpane.selected">prefpane.selected</a></li>
<li><a href="cn/XUL/Attribute/tab.selected">tab.selected</a></li>
</ul>
</div>
<p></p>
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