这是 实验性技术
检查 浏览器兼容性表格 要小心谨慎在生产中使用这之前。

Selection.focusOffset read-only property returns the number of characters that the selection's focus is offset within the Selection.focusNode .

This number is zero-based. If the selection ends with the first character in the Selection.focusNode , 0 被返回。

句法

offset = sel.focusOffset
					

规范

规范 状态 注释
选定 API
The definition of 'Selection.focusOffset' in that specification.
工作草案 Current

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
focusOffset Chrome Yes Edge 12 Firefox Yes IE ? Opera Yes Safari Yes WebView Android Yes Chrome Android Yes Firefox Android Yes Opera Android Yes Safari iOS Yes Samsung Internet Android Yes

图例

完整支持

完整支持

兼容性未知 ?

兼容性未知

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

另请参阅

元数据

  • 最后修改: