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---
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 <input> */
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"><form action="#">
<fieldset id="shipping">
<legend>Shipping address</legend>
<input type="text" placeholder="Name">
<input type="text" placeholder="Address">
<input type="text" placeholder="Zip Code">
</fieldset>
<br>
<fieldset id="billing">
<legend>Billing address</legend>
<label for="billing_is_shipping">Same as shipping address:</label>
<input type="checkbox" id="billing-checkbox" checked>
<br>
<input type="text" placeholder="Name" disabled>
<input type="text" placeholder="Address" disabled>
<input type="text" placeholder="Zip Code" disabled>
</fieldset>
</form></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 < 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>
|
