var days=xf_footer_time2-xf_footer_time1 var number_of_days=parseInt(days/(1000*60*60*24)) $(".xf-days")[0].innerHTML=number_of_days+'天' r_of_days+'天' var days=xf_footer_time2-xf_footer_time1 var number_of_days=parseInt(days/(1000*60*60*24)) $(".xf-days")[0].innerHTML=number_of_days+'天'