jquery - why to use 'html, body' for scrollTop instead of just 'html'

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jquery - why to use 'html, body' for scrollTop instead of just 'html'

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

jquery - why to use 'html, body' for scrollTop instead of just 'html'

I got a solution from stackoverflow to scroll to the top of the page like

$('html, body').animate({scrollTop: $("#page").offset().top}, 2000);

But I am not sure why to use 'html, body' for scrollTop instead of just 'html' ?

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1 Answer

深蓝 · Answer 1 · 2021-10-23T17:58:51+0000

Some browsers apply the "overall" scroll to document.documentElement (the <html> element) and others to document.body (the <body> element). For compatibility with both, you have to apply the scrolling to both.

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jquery - why to use 'html, body' for scrollTop instead of just 'html'

jquery - why to use 'html, body' for scrollTop instead of just 'html'

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