var date = new Date();

date.toString(); // "Tue Jan 02 2018 15:03:07 GMT+0800 (中國標準時間)"

date.getDate(); // 2

date.getDay(); // 2

date.getFullYear(); // 2018

date.getHours() // 15

date.getMilliseconds() // 154

date.getMinutes() // 3

date.getMonth() // 0

date.getSeconds() // 7

date.getTime() // 1514876587154

date.getTimezoneOffset() // -480

date.getUTCDate() // 2

date.getUTCDay() // 2

date.getUTCFullYear() // 2018

date.getUTCHours() // 7

date.getUTCMilliseconds() // 154

date.getUTCMinutes() // 3

date.getUTCMonth() // 0

date.getUTCSeconds() // 7

date.getYear() // 118

date.toDateString() // "Tue Jan 02 2018"

date.toGMTString() // "Tue, 02 Jan 2018 07:03:07 GMT"

date.toISOString() // "2018-01-02T07:03:07.154Z"

date.toJSON() // "2018-01-02T07:03:07.154Z"

date.toLocaleDateString() // "2018/1/2"

date.toLocaleString() // "2018/1/2 下午3:03:07"

date.toLocaleTimeString() // "下午3:03:07"

date.toTimeString() // "15:03:07 GMT+0800 (中國標準時間)"

date.toUTCString() // "Tue, 02 Jan 2018 07:03:07 GMT"

javascript: new Date()