Baseline Widely available
setSeconds()
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const event = new Date("August 19, 1975 23:15:30");
event.setSeconds(42);
console.log(event.getSeconds());
// Expected output: 42
console.log(event);
// Expected output: "Sat Apr 19 1975 23:15:42 GMT+0100 (CET)"
// Note: your timezone may vary
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dateObj.setSeconds(secondsValue[, msValue])JavaScript 1.3 ä¹åçæ¬
dateObj.setSeconds(secondsValue)åæ°
secondsValue
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msValue
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å¦ææ²¡ææå® msValue
åæ°ï¼å°±ä¼ä½¿ç¨ getMilliseconds()
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åºäºåçèå´ï¼ setSeconds
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setSeconds
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var theBigDay = new Date();
theBigDay.setSeconds(30);
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