03_ if 练习 _ little2big 

  • <!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>Little to Big</title>
    </head>
    <body>
        <script type="text/javascript">
            var num1 = +prompt("请输入第一个整数：");
            var num2 = +prompt("请输入第二个整数：");
            var num3 = +prompt("请输入第三个整数：");
            var biggest;
            var middle;
            var little;
            
            if (num1 > num2)
            {
                if(num2 > num3)
                {
                    biggest = num1;
                    middle = num2;
                    little = num3;
                }
                else
                {
                    if(num1 > num3)
                    {
                        biggest = num1;
                        middle = num3;
                    }
                    else
                    {
                        biggest = num3;
                        middle = num1;
                    }
                    little = num2;
                }
            }
            else
            {
                if(num1 > num3)
                {
                    biggest = num2;
                    middle = num1;
                    little = num3;
                }
                else
                {
                    if(num2 > num3)
                    {
                        biggest = num2;
                        middle = num3;
                    }
                    else
                    {
                        biggest = num3;
                        middle = num2;
                    }
                    little = num1;
                }
            }
            
            alert(little+" < "+middle+" < "+biggest);
            document.write(little+" < "+middle+" < "+biggest);
        </script>
    </body>
</html>

     

posted @ 2018-09-19 16:33  耶梦加德  阅读(124)  评论(0)  编辑  收藏  举报