JavaScript 实现动态实时显示当前时间的完整代码示例

<!DOCTYPE HTML> 
<html> 
<head> 
<meta charset="utf-8"> 
<title>时间显示器</title>  
</head> 
<body>
    <div id="d"></div> 
    <script type="text/javascript"> 
        var nowTime ;
        function play(){
        var time = new Date();
        nowTime = time.getFullYear()+"年"+time.getMonth()+"月"+time.getDate()+"日"+time.getHours()+"时"+time.getMinutes()+"分"+time.getSeconds()+"秒";
        document.getElementById("d").innerHTML = nowTime;
        }
        setInterval(play,1000);
    </script>     
</body> 
</html>