Created
July 16, 2017 07:25
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scrollDirection
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| let lastScrollTop = 0; | |
| function scrollDirection() { | |
| const st = window.pageYOffset || document.documentElement.scrollTop; | |
| if (st > lastScrollTop) { | |
| // downscroll code | |
| } else { | |
| // upscroll code | |
| } | |
| lastScrollTop = st; | |
| } |
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