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今天做的作业

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
    <title>网页标题</title>
    <meta name="keywords" content="关键字列表" />
    <meta name="description" content="网页描述" />
    <link rel="stylesheet" type="text/css" href="" />
    <style type="text/css"></style>
    <script type="text/javascript">
    //求数组平均值,最大值,最小值
    var arr=[
                [32,15,23,13],
                [23,33,23,12],
                [13,23,24,9]
            ]
    var sum=0;
    var n=0;
    var max=arr[0][0];
    var min=arr[0][0];
    for(var i=0;i<arr.length;i++){
        for(var j=0;j<arr[i].length;j++){
                sum+=arr[i][j];
                n++;
            if(max<arr[i][j]){
            
                max=arr[i][j];
            }
            if(min>arr[i][j]){
            
                min=arr[i][j];
            }
            
        
        }
        
    
    
    }document.write("平均值:"+sum/n+"最大值:"+max+"最小值:"+min);

    
    
    </script>
</head>
<body>

</body>
</html>

技术分享

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
    <title>网页标题</title>
    <meta name="keywords" content="关键字列表" />
    <meta name="description" content="网页描述" />
    <link rel="stylesheet" type="text/css" href="" />
    <style type="text/css"></style>
    <script type="text/javascript">
    function genMax(a,b){
    var max=a>b?a:b;
    document.write(max+"最大<br/>");
    
    }
    genMax(50,37);
    genMax(50,98);
    genMax(42,87);


    
    </script>
</head>
<body>

</body>
</html>

技术分享

今天做的作业