单页鼠标滚动代码

document.body.onmousewheel = function (event) {
        event = event || window.event;
        // event.wheelDelta < 0 向上滚动
        if (event.wheelDelta < 0 || event.detail < 0) {
            if ($("*").is(":animated")) {
                return false
            }
            if ($(".animated").length != 0) {
                return false
            }
            if (page == 6) {
                return false;
            }
            animateOutPage(page);
            page++
        } else {
            if ($("*").is(":animated")) {
                return false
            }
            if ($(".animated").length != 0) {
                return false
            }
            if (page == 1) {
                return false;
            }
            page = page - 1;
            animateOutPage(page + 1);
            if (page == 1) {
                $(".pageChose").eq(0).addClass("on");
            } else {
                $(".pageChose").eq(0).removeClass("on");
            }
        }

原文地址：https://www.cnblogs.com/duxingdexin/p/9246021.html