HTMLElement.contentEditable
Baseline Widely available *
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
* Some parts of this feature may have varying levels of support.
概述
HTMLElement.contentEditable 属性用于表明元素是否是可编辑的。该枚举属性（enumerated attribute）可以具有下面的几种值之一：
"true"表明该元素可编辑。"false"表明该元素不可编辑。"plaintext-only"表明该元素可以纯文本格式编辑，富文本格式会被禁用。"inherit"表明该元素继承了其父元素的可编辑状态。
语法
editable = element.contentEditable element.contentEditable = "true"
规范
| Specification |
|---|
| HTML # contenteditable |