当页面滚动到距顶部一定高度时某DIV自动隐藏和显示
$(function () { //绑定滚动条事件 //绑定滚动条事件 $(window).bind("scroll", function () { var sTop = $(window).scrollTop(); var sTop = parseInt(sTop); if (sTop >= 130) { if (!$("#scrollSearchDiv").is(":visible")) { try { $("#scrollSearchDiv").slideDown(); } catch (e) { $("#scrollSearchDiv").show(); } } } else { if ($("#scrollSearchDiv").is(":visible")) { try { $("#scrollSearchDiv").slideUp(); } catch (e) { $("#scrollSearchDiv").hide(); } } } }); })