Html 即使在滚动时，文档.body.scrollTop 在 IE 中也始终为 0
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document.body.scrollTop is always 0 in IE even when scrolling
提问by Tony_Henrich
I am displaying the value of document.body.scrollTop in the status bar while moving the mouse. The value is always 0 in IE. Why is always 0? Is there another way to get how much the scroll bar has moved?
我在移动鼠标时在状态栏中显示 document.body.scrollTop 的值。该值在 IE 中始终为 0。为什么总是0？有没有另一种方法来获取滚动条移动了多少？
回答by Nick Craver
You may want to try this for an older doctype in IE:
您可能想在 IE 中尝试使用较旧的文档类型：
var top = (document.documentElement && document.documentElement.scrollTop) ||
document.body.scrollTop;
回答by ijavid
this function provides a cross-browser implementation of reading the scroll offset:
此函数提供了读取滚动偏移的跨浏览器实现：
function posTop() {
return typeof window.pageYOffset != 'undefined' ? window.pageYOffset: document.documentElement.scrollTop? document.documentElement.scrollTop: document.body.scrollTop? document.body.scrollTop:0;
}
回答by Vivin Paliath
Depending on the DOCTYPE, you would have to use document.body.scrollTopor document.documentElement.scrollTop. Have you tried the second one?
根据 DOCTYPE，您必须使用document.body.scrollTop或document.documentElement.scrollTop。你试过第二种吗？
You can do something like this:
你可以这样做：
var scrollTop = document.documentElement ? document.documentElement.scrollTop :
document.body.scrollTop;
I ran into these links while researching your problem:
我在研究您的问题时遇到了这些链接：
- Window size and scrolling(towards the bottom)
- document.body.scrollTop in IE
This may help you out a little more.
这可能会对您有所帮助。
