Document.scrollingElement

scrollingElement ( Document 的只读属性)返回滚动文档的 Element 对象的引用。 在标准模式下, 这是文档的根元素, document.documentElement.

当在怪异模式下, scrollingElement 属性返回 HTML body 元素(若不存在返回 null )。

语法

var element = document.scrollingElement;

示例

var scrollElm = document.scrollingElement;
scrollElm.scrollTop = 0;

规范

Specification Status Comment
CSS Object Model (CSSOM) View Module
scrollingElement
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! (en-US)

Feature Chrome Edge Firefox (Gecko) Internet Explorer Opera Safari
Basic support 44.0 (Yes) 48.0 (48.0)[1] 未实现 33.0 9.0
Feature Android Edge Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support 未实现 (Yes) ? ? 未实现 36 9.0 44.0

[1] This feature was initially implemented in Gecko 47.0 (Firefox 47.0 / Thunderbird 47.0 / SeaMonkey 2.44) behind the preference dom.document.scrollingElement.enabled, defaulting to true on Nightly builds and false otherwise. In Gecko 48.0 (Firefox 48.0 / Thunderbird 48.0 / SeaMonkey 2.45) the feature got enabled by default and the preference removed.