在此页

• 句法
• 规范
• 浏览器兼容性
• 相关话题

collapsed 只读特性在 AbstractRange interface returns true if the range's start position and end position are the same.

句法

var isCollpased = range.collapsed
					

值

A 布尔 value which is true if the range is collapsed . A collapsed range is one in which the start and end positions are the same, resulting in a zero-character-long range..

规范

规范	状态	注释
DOM The definition of 'collapsed' in that specification.	实时标准
Static Range The definition of 'collapsed' in that specification.	编者草案	初始定义。

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
collapsed	Chrome No	Edge 18 — 79	Firefox 69	IE No	Opera No	Safari No	WebView Android No	Chrome Android No	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android No

图例

完整支持

完整支持

不支持

不支持

元数据

• 最后修改： Sep 19, 2019

相关话题

1. AbstractRange
2. 特性

   1. collapsed
   2. endContainer
   3. endOffset
   4. startContainer
   5. startOffset