blogger-mobile-bottom-popup

<script type='text/javascript'> // 行動版浮動按鈕的js語法
$(document).ready(function(){
     var previous = 0,
         textWindowNow = 0;
     $(window).scroll(function(){
               previous = $(this).scrollTop();
            if(textWindowNow - previous >= 10){  //上滚
                    $('.footergohome,.footergoaboutme').show("blind", 200 )
               }
            else if (previous - textWindowNow >= 5){  //下滚
                    $('.footergohome,.footergoaboutme').hide("blind", 300 )
               }
               setTimeout(function(){textWindowNow = previous;},0);            
     });
});
</script>