程序代码：
<html>
<head>
<title>b</title>
</head>
<body>
<script language="javascript" type="text/javascript">
<!--
var arry = new Array(3);
for (var i=0; i<arry.length; ++i){
arry[i] = new Array(4);
}
var enter;
do{
enter = String(prompt("输入12个数并以空格分开", "")).split(' ');
}while (12 != enter.length && (function(){alert("确认输入"); return true;})());
//alert(enter.toString());
for (var i=0; i<arry.length; ++i){
for (var j=0; j<arry[i].length; ++j){
arry[i][j] = parseInt(enter[i*4 + j]);//将字符串转化为整形
}
}
Print();
for (var i=0; i<arry.length; ++i){
Sort(arry[i]);
}
Print();
function Print(){
document.write("<p>");
for (var i=0; i<arry.length; ++i){
for (var j=0; j<arry[i].length; ++j){
document.write(arry[i][j]);
document.write(" ");
}
document.write("<br/>");
}
document.write("</p>");
}
function Sort(v){
if (!v.length){
}else{
var max = {data:v[0], index:0};
for (var i=0; i<v.length; ++i){
if (max.data < v[i]){
max.data = v[i];
max.index = i;
}
}
v[max.index] = v[0];
v[0] = max.data;
}
}
-->
</script>
</body>
</html>
