---
title: ':disabled'
slug: 'Web/CSS/:disabled'
translation_of: 'Web/CSS/:disabled'
---
<p>{{ CSSRef() }}</p>

<p><code>:disabled</code>  CSS <a href="/zh-CN/CSS/Pseudo-classes" title="Pseudo-classes">伪类</a>表示任何被禁用的元素。如果一个元素不能被激活（如选择、点击或接受文本输入）或获取焦点，则该元素处于被禁用状态。元素还有一个启用状态（enabled state），在启用状态下，元素可以被激活或获取焦点。</p>

<p> </p>

<pre class="brush: css no-line-numbers">/* Selects any disabled &lt;input&gt; */
input:disabled {
  background: #ccc;
}</pre>

<p> </p>

<h2 id="语法">语法</h2>

{{csssyntax}}

<h2 id="示例">示例</h2>

<p>这个例子显示基本的购物表单。通过使用 <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript">JavaScript</a> {{event("change")}} 事件让用户启用/禁用付款字段。</p>

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

<pre class="brush: html">&lt;form action="#"&gt;
  &lt;fieldset id="shipping"&gt;
    &lt;legend&gt;Shipping address&lt;/legend&gt;
    &lt;input type="text" placeholder="Name"&gt;
    &lt;input type="text" placeholder="Address"&gt;
    &lt;input type="text" placeholder="Zip Code"&gt;
  &lt;/fieldset&gt;
  &lt;br&gt;
  &lt;fieldset id="billing"&gt;
    &lt;legend&gt;Billing address&lt;/legend&gt;
    &lt;label for="billing_is_shipping"&gt;Same as shipping address:&lt;/label&gt;
    &lt;input type="checkbox" id="billing-checkbox" checked&gt;
    &lt;br&gt;
    &lt;input type="text" placeholder="Name" disabled&gt;
    &lt;input type="text" placeholder="Address" disabled&gt;
    &lt;input type="text" placeholder="Zip Code" disabled&gt;
  &lt;/fieldset&gt;
&lt;/form&gt;</pre>

<h3 id="CSS">CSS</h3>

<pre class="brush: css">input[type="text"]:disabled {
  background: #ccc;
}</pre>

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

<pre class="brush: js">// Wait for the page to finish loading
document.addEventListener('DOMContentLoaded', function () {
  // Attach `change` event listener to checkbox
  document.getElementById('billing-checkbox').onchange = toggleBilling;
}, false);

function toggleBilling() {
  // Select the billing text fields
  var billingItems = document.querySelectorAll('#billing input[type="text"]');

  // Toggle the billing text fields
  for (var i = 0; i &lt; billingItems.length; i++) {
    billingItems[i].disabled = !billingItems[i].disabled;
  }
}</pre>

<h3 id="结果">结果</h3>

<p>{{EmbedLiveSample('示例', 300, 250)}}</p>

<p> </p>

<h2 id="规范">规范</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{ SpecName('HTML WHATWG', '#selector-disabled', ':disabled') }}</td>
   <td>{{ Spec2('HTML WHATWG') }}</td>
   <td>No change.</td>
  </tr>
  <tr>
   <td>{{ SpecName('HTML5 W3C', '#selector-disabled', ':disabled') }}</td>
   <td>{{ Spec2('HTML5 W3C') }}</td>
   <td>Defines the semantic regarding HTML and forms.</td>
  </tr>
  <tr>
   <td>{{ SpecName('CSS4 Selectors', '#enableddisabled', ':disabled') }}</td>
   <td>{{ Spec2('CSS4 Selectors') }}</td>
   <td>No change.</td>
  </tr>
  <tr>
   <td>{{ SpecName('CSS3 UI', '#pseudo-classes', ':disabled') }}</td>
   <td>{{ Spec2('CSS3 UI') }}</td>
   <td>Link to Selectors Level 3.</td>
  </tr>
  <tr>
   <td>{{ SpecName('CSS3 Selectors', '#enableddisabled', ':disabled') }}</td>
   <td>{{ Spec2('CSS3 Selectors') }}</td>
   <td>Defines the pseudo-class, but not the associated semantic.</td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

{{Compat("css.selectors.disabled")}}

<h2 id="相关链接">相关链接</h2>

<ul>
 <li>
  <p>{{ Cssxref(":enabled") }}</p>
 </li>
</ul>