Javascript:检查页面是否在顶部 [英] Javascript: check IF page is at the top

问题描述

有没有办法用 JavaScript 检查页面是否位于 scroll(0,0)?

原因是我有一个整页滑块，我需要在页面不在原点时暂停.

Reason being I've got a full page slider that I need to pause the second the page is not at origin.

这可能不一定是因为页面正在实时滚动，因为我有内部 HTML # 链接，可以将页面直接加载到滚动点，而无需实际滚动.

And it might not necessarily be because the page is being scrolled live as I've got internal HTML # links that would load the page right to a scrolled point without actually scrolling.

因此需要检查页面是否位于顶部，而不是页面是否已滚动.

So the check needs to be is the page not at the top, as opposed to, has the page been scrolled.

推荐答案

试试这个:

document.body.scrollTop === 0

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