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dateObject.setUTCSeconds(sec,millisec)
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sec

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ÔÚ±¾ÀýÖУ¬ÎÒÃǽ«Í¨¹ý setUTCSeconds() °Ñµ±Ç°Ê±¼äµÄÃë×Ö¶ÎÉèÖÃΪ 01£º

<script type="text/javascript">

var d = new Date()
d.setUTCSeconds(1)
document.write(d)

</script>

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setUTCSeconds()
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