问题是,如果我单击一个导致页面下端的scrollTop动画的按钮,图像的background-position-y设置就会不稳定。// Banner scroll function var banner = $('.hero-banner').css('background-position-y',scrollTop+'p
你能告诉我如何获得事件时,用户滚动到顶部的内容的div。我有div有一些内容可收集的争用,如果用户滚动到顶部,我想要显示一个警报。
<div id="contend">Tendulkar (Listeni/ˌsətʃɪn tɛnˈduːlkər/; born 24 April 1973) is a former Indian cricketer widely acknowledged as the greatest batsman of the modern generation, popularly holds the title "God of Cri