麻烦老师检查一下代码

来源：4-9 编程练习

慕虎0507412

2019-02-11 02:11:55

<!DOCTYPE html>
    <html>
    <head>
        <meta charset="UTF-8">
        <title>Math.random()</title>
    </head>
    <body>
    <script>
        function getRandom(m,n){
            var choise=n-m+1;
            return Math.floor(Math.random()*choise+m);
        }
        var num=getRandom(0,9),a=0;
        console.log(num);
        while(a!=num){
            a=prompt("请输入你猜的数字");
            if(a>num){
                alert("输入的数字大了");
            }else if(a<num){
                alert("输入的数字小了");
            }else if(a=num){
                alert("恭喜你猜对了");
                break;
            }
        }
    </script>
    </body>
</html>

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