[JS]日期Date函式

透過JS Date可取得時間參數

date=new Date()

date.xxxxx() 各Function結果如下：

.toLocaleString() -> 2022/6/26 上午9:30:16

- 本地時間字串

.toUTCString() -> Sun, 26 Jun 2022 01:30:16 GMT

- 格林威治時間，星期,dd mm yyyy hh:mm:ss

.toISOString() ->2022-06-26T01:30:16.107Z

.toJSON()-> 2022-06-26T01:30:16.107Z

- toISOString(), toJSON() 回傳值相同

.toLocaleTimeString()->上午9:30:16

- client本地時間

.toTimeString ->09:30:16 GMT+0800 (台北標準時間)

- client本地時間

- 若要取時間格式hh:mm:ss 則可用date.toTimeString().subString(0,8)取得時間部分

.toDateString()->Sun Jun 26 2022

- client本地時間

.toLocaleDateString()->2022/6/26

- client本地日期

.getFullYear()->2022

- client本地時間，此方法可完整顯示yyyy

.getYear()->122

- 此方法顯示122；由1900年後開始計算，因此2022-1900=122

.getMonth()->5

- client本地月，從0開始計算，因此要+1

.getDate()->26

- client本地日

.getDay()->0

- client星期

.getTimezoneOffset()-> -480

- client與格林威治時區的時差(分)

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date=new Date()

console.log('getTime():'+date.getTime())

console.log('getUTCHours():'+date.getUTCHours())

console.log('getUTCMinutes():'+date.getUTCMinutes())

console.log('getUTCSeconds():'+date.getUTCSeconds())

console.log('getUTCDate():'+date.getUTCDate())

console.log('getUTCDay():'+date.getUTCDay())

console.log('getFullYear:'+date.getFullYear())

console.log('getYear:'+date.getYear())

console.log('getMonth:'+date.getMonth())

console.log('getDate:'+date.getDate())

console.log('getTimezoneOffset:'+date.getTimezoneOffset())

console.log('toDateString:'+date.toDateString())

console.log('toISOString:'+date.toISOString())

console.log('toLocaleDateString:'+date.toLocaleDateString())

console.log('toLocaleString:'+date.toLocaleString())

console.log('toUTCString:'+date.toUTCString())

console.log('toJSON:'+date.toJSON())

console.log('toLocaleTimeString:'+date.toLocaleTimeString())

console.log('toTimeString:'+date.toTimeString())