user-modify属性,用来控制用户能否对页面文本进行编辑。与标签的contentEditable属性类似。·

-webkit-user-modify: read-only | read-write | read-write-plaintext-only

read-only内容只读。
read-write内容可读写。(支持富文本)
read-write-plaintext-only内容可读写,但粘贴内容中的富文本格式(如文本的颜色、大小,图片等)会丢失。内容类似于以纯文本显示。
CSS代码:
 .test {
height: 100px;
padding: 5px;
border: 1px solid #a0b3d6;
overflow: auto;
}
.test:focus {
box-shadow: 5px blue;
}
.read-only {
-webkit-user-modify: read-only;
}
.read-write {
-webkit-user-modify: read-write;;
}
.write-only {
/* 几乎没有浏览器支持 */
user-modify: write-only;
}
.read-write-plaintext-only {
-webkit-user-modify: read-write-plaintext-only;
}
HTML代码:
 <strong>read-only</strong>
<p class="test read-only"></p>
<strong>write-only</strong>
<p class="test write-only"></p>
<strong>read-write</strong>
<p class="test read-write"></p>
<strong>read-write-plaintext-only</strong>
<p class="test read-write-plaintext-only"></p>
05-11 11:38
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