const OneDay = new Date(); const OneYear = OneDay.getFullYear(); const TwoYear = OneYear + 1; const newYear= new Date(TwoYear+“/1/1”).valueOf(); const newDays = new Date().valueOf(); const day = Math.ceil((newYear-newDays)/(60*60*24*1000) -1); const comma = “ : ”;
console.log(“来年の1月1日まであと” + comma + day + “日です”);