var top=$(this).scrollTop(); var height=$(this).height(); var type="new"; if ((total - top - height<1)&&isAvailable){ isAvailable=0; $.get("/bangke/Manage/Public/moreArt",{page:page,token:1,cate:"",type:type},function(data){ if(data.status==1&&data.resultdata){ str=data.resultdata; page+=1; }else{ str=''; } $('.thumbnails').append(str); isAvailable=1; }); } }); $('.qr-code-btn').on('click',function(){ if($('.qr-code').is(":visible")){ $('.qr-code').fadeOut(); }else{ $('.qr-code').fadeIn(); } }); });