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+---
+title: label
+slug: Mozilla/Tech/XUL/Attribute/label
+tags:
+ - XUL Attributes
+ - XUL Reference
+translation_of: Archive/Mozilla/XUL/Attribute/label
+---
+<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-label"><a href="https://developer.mozilla.org/zh-CN/docs/Mozilla/Tech/XUL/Attribute/label">label</a></code></dt>
+ <dd>
+ Type: <em>string</em></dd>
+ <dd>
+ The label that will appear on the element. If this is left out, no text appears.<br>
+ label 在元素上显示。如果左侧出界,则不显示任何文字。</dd>
+</dl>
+<div class="noinclude">
+ <h3 id="See_also" name="See_also">See also</h3>
+ <ul>
+ <li><a href="/cn/XUL/Attribute/treeitem.label" title="cn/XUL/Attribute/treeitem.label">treeitem.label</a>, <code><a href="/cn/XUL/label" title="cn/XUL/label">&lt;label&gt;</a></code> element</li>
+ </ul>
+ <h4 id="Examples_in_JavaScript" name="Examples_in_JavaScript">Examples in JavaScript</h4>
+ <pre>&lt;label value="Whaw" id="the-big-label" command="the-big-button"/&gt;
+&lt;button id="the-big-button" label="Click me"
+ oncommand="alert(document.getElementById('the-big-label').value)"/&gt;
+
+&lt;label id="myLabel" value="My label"/&gt;
+&lt;button label="Click me"
+ oncommand="document.getElementById('myLabel').setAttribute('value','Value changed');" /&gt;
+
+&lt;checkbox label="my Checkbox" id="myCheckboX"/&gt;
+&lt;button label="Another click"
+ oncommand="document.getElementById('myCheckboX').setAttribute('label','Still not checked');"/&gt;
+&lt;button label="Show label of checkbox"
+ oncommand="alert( document.getElementById('myCheckboX').getAttribute('label') )"/&gt;
+</pre>
+</div>
+<p></p>