JavaScript 动态网页时钟实现方案

<html>
<head>
<title>时钟</title>
<meta charset="utf-8">
<style>
*{
    padding:0;
    margin:0;
    }
</style>
<script>
function show(){
    var images=new Array("./images/s0.png","./images/s1.png","./images/s2.png","./images/s3.png","./images/s4.png","./images/s5.png","./images/s6.png","./images/s7.png","./images/s8.png","./images/s9.png");
    var myTime=new Date();
    var hours=myTime.getHours();
    var minutes=myTime.getMinutes();
    var seconds=myTime.getSeconds();
    if(hours<=9){hours="0"+hours;}//补足两位
    if(minutes<=9){minutes="0"+minutes;}
    if(seconds<=9){seconds="0"+seconds}
    var theString=""+hours+minutes+seconds;//转换为字符串
    document.getElementById("img0").src=images[theString.charAt(0)];
    document.getElementById("img1").src=images[theString.charAt(1)];
    document.getElementById("img2").src=images[theString.charAt(2)];
    document.getElementById("img3").src=images[theString.charAt(3)];
    document.getElementById("img4").src=images[theString.charAt(4)];
    document.getElementById("img5").src=images[theString.charAt(5)];
    setTimeout("show()",1000);
    }
</script>
</head>
<body onLoad="show()">
<img id="img0" /><img id="img1" />时<img id="img2" /><img id="img3" />分<img id="img4" /><img id="img5" />
</body>
</html>