files/zh-cn/web/api/htmlelement/accesskeylabel/index.html


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---
title: accessKeyLabel
slug: Web/API/HTMLElement/accessKeyLabel
translation_of: Web/API/HTMLElement/accessKeyLabel
---
<div>
<div>{{ APIRef("HTML DOM") }}</div>
</div>

<p><strong><code>HTMLElement.accessKeyLabel</code></strong> 只读属性返回一个 {{jsxref("String")}} 表示这个元素分配的访问密钥(如果有的话); 否则返回一个空字符串.</p>

<h2 id="Syntax" name="Syntax">语法</h2>

<pre class="syntaxbox"><em>label</em> = <em>element</em>.accessKeyLabel
</pre>

<h2 id="Example" name="Example">示例</h2>

<h3 id="JavaScript">JavaScript</h3>

<pre class="brush: js">var node = document.getElementById('btn1');
if (node.accessKeyLabel) {
  node.title += ' [' + node.accessKeyLabel + ']';
} else {
  node.title += ' [' + node.accessKey + ']';
}

node.onclick = function () {
  var p = document.createElement('p');
  p.textContent = 'Clicked!';
  node.parentNode.appendChild(p);
};
</pre>

<h3 id="HTML">HTML</h3>

<pre class="brush: html">&lt;button accesskey="h" title="Caption" id="btn1"&gt;Hover me&lt;/button&gt;
</pre>

<h3 id="Result">Result</h3>

<p>{{ EmbedLiveSample('Example') }}</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('HTML WHATWG', "interaction.html#dom-accesskeylabel", "HTMLElement.accessKeyLabel")}}</td>
   <td>{{Spec2('HTML WHATWG')}}</td>
   <td>No change from initial definition.</td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5.1')}}</td>
   <td>{{Spec2('HTML5.1')}}</td>
   <td>Removed. <a href="https://github.com/w3c/html/pull/144">pull w3c/html#144</a>, <a href="https://github.com/w3c/html/issues/99">issue w3c/html#99</a>, <a href="https://discourse.wicg.io/t/accesskeylabel-author-accessible-info-about-shortcuts/1392/3">WICG discussion</a>.</td>
  </tr>
  <tr>
   <td>{{SpecName('HTML5 W3C', "editing.html#dom-accesskeylabel", "HTMLElement.accessKeyLabel")}}</td>
   <td>{{Spec2('HTML5 W3C')}}</td>
   <td>Snapshot of  {{SpecName('HTML WHATWG')}}, initial definition.</td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容">浏览器兼容</h2>

<div>


<p>{{Compat("api.HTMLElement.accessKeyLabel")}}</p>
</div>

<h2 id="See_also">See also</h2>

<ul>
 <li>{{domxref("element.accessKey")}}</li>
 <li>The <a href="/en-US/docs/Web/HTML/Global_attributes/accesskey">accesskey</a> global attribute.</li>
</ul>