页面向下滚动ajax获取数据的实现方法(兼容手机)

页面向下滚动ajax获取数据的实现方法(兼容手机) $(window).scroll(function () { var scrollTop = $(this).scrollTop(); var scrollHeight = $(document).height(); var windowHeight = $(this).height(); if (scrollTop + windowHeight >= scrollHeight) { loadPromotions(); } }); var page =