隨手筆記

        //一般會在html的body標籤上加上 onload 與 onunload的事件
        //例如 onload="moveScol()" onunload="getScrollPosition()"
        function getScrollPosition()
        {
            var bodyTop = 0;
            if (typeof window.pageYOffset != "undefined")
            {
                bodyTop = window.pageYOffset;

            }
            else if (typeof document.compatMode != "undefined" && document.compatMode != "BackCompat")
            {
                bodyTop = document.documentElement.scrollTop;
            }
            else if (typeof document.body != "undefined")
            {
                bodyTop = document.body.scrollTop;
            }
            /*顯示出捲動後的高度值*/
            document.getElementById("jsScrollTop").innerHTML = bodyTop;
            document.cookie = bodyTop; //將Y座標位置紀錄在cookie上

            //var x = document.cookie;
            //alert(x.split(";")[0]);
        }

        function moveScol()
        {
            var scrollo_y = document.cookie.split(";")[0];
            if (scrollo_y != null) {
                window.scrollTo(100, scrollo_y);
            }
        }