$(window).scroll(function() {

var viewHeight =$(window).height();//可見高度

var contentHeight =$("#content").get(0).scrollHeight;//內容高度

var scrollHeight =$(document).scrollTop();//滾動高度

console.log(contentHeight - viewHeight - scrollHeight);

if(contentHeight - viewHeight - scrollHeight<=0) {

setTimeout(loading,1000);

function loading(){

var originalHtml=$("#originalHtml").html();

var loadingHtml=$("#loadingHtml").html();

$("#loadingHtml").html(loadingHtml+originalHtml);

}

}

});

pc端頁面加載更多條信息（loading）