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case03-6从小到大排序.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>按从小到大排序</title>
</head>
<body>
    <script>
        var arr=new Array(70,20,59,49,98,67,100,35);
        var exchange = 0;
        for(var i=1;i<arr.length;i++){
            for(var j=0;j<arr.length;j++){
                if(arr[j]<arr[j+1]){
                    exchange=arr[j];
                    arr[j]=arr[j+1];
                    arr[j+1]=exchange;
                }
            }
        }
        alert(arr);
        alert(arr[0]);
        alert(arr[8]);
    </script>
</body>
</html>