const halloweenParty = new Date(2016, 9, 31, 19, 0); // 19:00 = 7:00 pm console.log(halloweenParty.getFullYear()); // 2016 console.log(halloweenParty.getMonth()); // 9 console.log(halloweenParty.getDate()); // 31 console.log(halloweenParty.getDay()); // 1 (月曜。0=日曜、1=月曜、...) console.log(halloweenParty.getHours()); // 19 console.log(halloweenParty.getMinutes()); // 0 console.log(halloweenParty.getSeconds()); // 0 console.log(halloweenParty.getMilliseconds()); // 0