var str1 = "2019/11/01"; var str2 = "2020/01/09"; var time = new Date(str2).getTime() - new Date(str1).getTime(); var date = Math.ceil(time/(24*60*60*1000)); if (date<=30) { alert(date+"天"); } else if (date<=365) { alert(Math.ceil(date/7)+"周"); } else { alert(Math.ceil(date/30)+"月"); }
var str1 = "2019/11/01";
var str2 = "2020/01/09";
var time = new Date(str2).getTime() - new Date(str1).getTime();
var date = Math.ceil(time/(24*60*60*1000));
if (date<=30) {
alert(date+"天");
} else if (date<=365) {
alert(Math.ceil(date/7)+"周");
} else {
alert(Math.ceil(date/30)+"月");
}