Baseline Widely available
getFullYear()
㯠Date
ã¤ã³ã¹ã¿ã³ã¹ã®ã¡ã½ããã§ãå°æ¹æã«åºã¥ããæå®ãããæ¥æã®å¹´ãè¿ãã¾ãã
getYear()
ã¡ã½ããã®ä»£ããã«ããã®ã¡ã½ããã使ç¨ãã¦ãã ããã
const moonLanding = new Date("July 20, 69 00:20:18");
console.log(moonLanding.getFullYear());
// äºæ³ãããçµæ: 1969
æ§æ 弿°
ãªãã
è¿å¤å°æ¹æã«åºã¥ããæå®ãããæ¥æã®å¹´ã«ç¸å½ããæ°å¤ã§ããæ¥æãç¡å¹ãªå ´å㯠NaN
ãè¿ãã¾ãã
getYear()
ãã¯ç°ãªãã getFullYear()
ãè¿ãå¤ã¯çµ¶å¯¾çãªå¤ã§ãã 1000 å¹´ãã 9999 å¹´ã¾ã§ã®æ¥ä»ã«å¯¾ãã¦ãgetFullYear()
㯠1995 ã®ãã㪠4 æ¡ã®æ°åãè¿ãã¾ãã 2000 年以éã®å¹´ã«ã¤ãã¦æ£ããå¤ãå¾ãã«ã¯ããã®é¢æ°ã使ç¨ãã¦ãã ããã
夿° fullYear
ã«ã¯ã Date
ãªãã¸ã§ã¯ã xmas95
ã«åºã¥ãã¦ã 1995
ã¨ããå¤ãå
¥ãã¾ãã
const xmas95 = new Date("1995-12-25T23:15:30");
const fullYear = xmas95.getFullYear();
console.log(fullYear); // 1995
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