How to make scroll arrows to scroll one page?

Used on the website One Page Scroll to create a scrolling animation in sections. But there was a problem in that the site is uncomfortable to view, if there is no mouse. The animation on the scroll wheel. How can this case fix to when you press the arrows "up", "down" play corresponding animation
March 19th 20 at 08:29
1 answer
March 19th 20 at 08:31
 keyboard: true,
No change( - Jensen commented on March 19th 20 at 08:34
@Jensen, then throw the code here - leann commented on March 19th 20 at 08:37

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