老师，麻烦检查一下

来源：5-10 编程练习

WJ沪00001

2019-04-15 12:34:42

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>改变日期格式</title>
</head>
<body>
<script>
    //补充代
      
    function Time(serveYear,serveMonth,serveDay){
         document.write("该员工入职时间是："+serveYear+"-"+serveMonth+"-"+serveDay+"<br>");
          var date=new Date(parseInt(serveYear)+3,parseInt(serveMonth),parseInt(serveDay));
          var leftYear=date.getFullYear(),leftMonth=date.getMonth(),leftDay=date.getDate();
          document.write("该员工合同到期时间是："+leftYear+"-"+leftMonth+"-"+leftDay);
    }
    var serveYear=prompt("请输入员工入职年份"),
        serveMonth=prompt("请输入员工入职月份"),
        serveDay=prompt("请输入员工入职时间");
    Time(serveYear,serveMonth,serveDay);
</script>
</body>
</html>

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