IntersectionObserver.root - Web API 接口参考 编辑

root 属性用来获取当前 intersectionObserver 实例的根元素。

语法

intersectionObserver.root;

规范

Specification	Status	Comment
Intersection Observer IntersectionObserver	Working Draft	Initial definition

浏览器兼容性

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari (WebKit)
Basic support	51.0	未实现[1]	未实现[2]	未实现	?	?

Feature	Android	Android Webview	Firefox Mobile (Gecko)	Firefox OS	IE Mobile	Opera Mobile	Safari Mobile	Chrome for Android
Basic support	未实现	51.0	未实现[2]	未实现	未实现	?	?	51.0

[1]  实现于 Windows Insider Preview Build 14986。

[2] 实现于 (Firefox 53.0 / Thunderbird 53.0 / SeaMonkey 2.50)，但默认处于关闭状态，需要打开dom.IntersectionObserver.enabled。