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---
title: ':read-write'
slug: 'Web/CSS/:read-write'
translation_of: 'Web/CSS/:read-write'
---
<div>{{CSSRef}}</div>
<p><strong><code>:read-write</code></strong> <code><a href="/en-US/docs/Web/CSS">CSS</a></code> <code><a href="https://developer.mozilla.org/en-US/docs/Web/CSS/Pseudo-classes">伪类</a></code> 代表一个元素（例如可输入文本的 input元素）可以被用户编辑。</p>
<pre class="brush: css no-line-numbers">/* 选择所有可编辑的 <input> 元素 */
/* Firefox 中需要加前缀 */
input:-moz-read-write {
background-color: #bbf;
}
/* Supported in Blink/WebKit/Edge without a prefix */
input:read-write {
background-color: #bbf;
}</pre>
<div class="note">
<p><strong>注意：</strong>这个选择器不仅仅选择 {{htmlElement("input")}} 元素，它也会选择所有可以被用户编辑的元素，例如设置了 {{htmlattrxref("contenteditable")}} 属性的 {{htmlelement("p")}} 元素。</p>
</div>
<h2 id="语法">语法</h2>
<pre class="syntaxbox">{{csssyntax}}</pre>
<h2 id="Example" name="Example">示例</h2>
<h3 id="HTML">HTML</h3>
<pre class="brush: html"><input type="text" value="Type whatever you want here.">
<input type="text" value="This is a read-only field." readonly>
<p>This is a normal paragraph.</p>
<p contenteditable="true">You can edit this paragraph!</p></pre>
<h3 id="CSS">CSS</h3>
<pre class="brush: css line-numbers language-css">input { min-width: 25em; }
input:-moz-read-write { background: cyan; }
input:read-write { background: cyan; }
p:-moz-read-write { background: lightgray; }
p:read-write { background: lightgray; }
p[contenteditable="true"] { color: blue; }
</pre>
<h3 id="输出">输出</h3>
<p>{{EmbedLiveSample("Example")}}</p>
<h2 class="editable" id="Specifications" name="Specifications">规范</h2>
<table class="standard-table">
<thead>
<tr>
<th scope="col">规范</th>
<th scope="col">状态</th>
<th scope="col">备注</th>
</tr>
</thead>
<tbody>
<tr>
<td>{{ SpecName('HTML WHATWG', '#selector-read-write', ':read-write') }}</td>
<td>{{ Spec2('HTML WHATWG') }}</td>
<td>No change.</td>
</tr>
<tr>
<td>{{ SpecName('HTML5 W3C', '#selector-read-write', ':read-write') }}</td>
<td>{{ Spec2('HTML5 W3C') }}</td>
<td>Defines the semantics regarding HTML and constraint validation.</td>
</tr>
<tr>
<td>{{ SpecName('CSS4 Selectors', '#rw-pseudos', ':read-write') }}</td>
<td>{{ Spec2('CSS4 Selectors') }}</td>
<td>Defines the pseudo-class, but not the associated semantics.</td>
</tr>
</tbody>
</table>
<h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容性</h2>
<p>{{Compat("css.selectors.read-write")}}</p>
<h2 id="See_also" name="See_also">参阅</h2>
<ul>
<li>{{cssxref(":read-only")}}</li>
<li>HTML {{htmlattrxref("contenteditable")}} attribute</li>
</ul>
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