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スクロールイベント 上下方向の判定
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var start_pos = 0; | |
$(window).scroll(function(e){ | |
var current_pos = $(this).scrollTop(); | |
if (current_pos > start_pos) { | |
console.log('down'); | |
} else { | |
console.log('up'); | |
} | |
start_pos = current_pos; | |
}); |
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