个回答

• qq_Rainy小迪_0

  2017-10-16 15:41:37

  var mydate=new Date();

    document.write("当前时间："+mydate+"<br>");

  mydate.setTime(mydate.getTime()-60*60*1000);

    document.write("快1个小时" + mydate);

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• 慕村5466052

  2017-07-27 16:22:28

  var now = new  Date();

    now.setTime( now.getTime()  +  60 * 60 * 1000);

  
  

  0