Date.setUTCDate(dayValue)注:括号内外的数据是可选的
<html><head><title>JavaScript setUTCDate Method</title></head><body><script type="text/javascript">var dt = new Date( "Aug 28, 2008 23:30:00" );dt.setUTCDate( 20 );document.write( dt ); </script></body></html>这将产生以下结果:
Wed Aug 20 23:30:00 UTC+0530 2008