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Introduction to a simple elastic return to top JS code implementation_javascript skills

WBOY
WBOYOriginal
2016-05-16 17:32:301121browse

I made a function like this yesterday and posted it for reference.
HTML/JS/CSS code:

Copy code The code is as follows:





Flexible return to top JS code














When it exceeds the scope of the first screen, the TOP button will appear, otherwise it will be automatically hidden.






Rendering:
The page scroll bar is at the low end
1.
Introduction to a simple elastic return to top JS code implementation_javascript skills
2. Click to return to the top and hide it.
Introduction to a simple elastic return to top JS code implementation_javascript skills
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