Baseline Widely available
æ¤ setUTCSeconds()
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const date1 = new Date("December 31, 1975, 23:15:30 GMT+11:00");
console.log(date1.getUTCSeconds());
// Expected output: 30
date1.setUTCSeconds(39);
console.log(date1.getUTCSeconds());
// Expected output: 39
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dateObj.setUTCSeconds(secondsValue[, msValue])åæ°
secondsValue
ä¸ä¸ªå¨ 0 å° 59 ä¹é´çæ´æ°ï¼è¡¨ç¤ºç§æ°ã
msValue
å¯éåæ°ãä¸ä¸ª 0 å° 999 ä¹é´çæ°åï¼ä»£è¡¨æ¯«ç§æ°ã
ä¸ä¸ªæ¯«ç§æ°ï¼è¡¨ç¤ºä»å½é éç¨æ¶é´ 1970 å¹´ 00:00:00 å°è®¾ç½®çæ¶é´å¼ä¹é´çæ¶é´è·¨åº¦ã
æè¿°å¦æä½ 没æè®¾ç½® msValue åæ°çå¼ï¼é£ä¹è¿åç弿¥èªgetUTCMilliseconds()
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åºäºèå´ï¼setUTCSeconds()
å æ¤ä¼æ´æ°Date
å¯¹è±¡ä¸ date çç¸å
³ä¿¡æ¯ . 举个ä¾åï¼å¦æä½ 设置 secondsValue 为 100, Date
对象ä¸çåéæ°ä¼å¢å 1ï¼å¹¶ä¸ç§æ°ä¼åæ 40.
setUTCSeconds()
var theBigDay = new Date();
theBigDay.setUTCSeconds(20);
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