:read-only
CSS 伪类 表示元素不可被用户编辑的状态(如锁定的文本输入框)。
/* Selects any <input> element that is read-only */
/* Supported in Firefox with a prefix */
input:-moz-read-only {
background-color: #ccc;
}
/* Supported in Blink/WebKit/Edge without a prefix */
input:read-only {
background-color: #ccc;
}
语法
:read-only
示例
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>
CSS
input { min-width: 25em; }
input:-moz-read-only { background: cyan; }
input:read-only { background: cyan; }
p:-moz-read-only { background: lightgray; }
p:read-only { background: lightgray; }
p[contenteditable="true"] { color: blue; }
输出
规范
规范 | 状态 | 备注 |
---|---|---|
HTML Living Standard :read-only |
Living Standard | No change. |
HTML5 :read-only |
Recommendation | Defines the semantics regarding HTML and constraint validation. |
Selectors Level 4 :read-only |
Working Draft | Defines the pseudo-class, but not the associated semantics. |
浏览器兼容性
BCD tables only load in the browser
参阅
:read-write
- HTML
contenteditable
attribute