JavaScript 日期setUTCDate方法

<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>