html实现猜数字游戏

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <script>
            var m=parseInt(Math.random()*100);
            var count=0;
            for(;;){
                count=count+1;
                var num1=parseInt(prompt("请输入一个数字:"));
                if(num1==m){
                    alert("恭喜你,猜对了");
                    break;
                }else if(num1>m){
                    alert("大了");
                }else if(num1<m){
                    alert("小了");
                }
                
                if(count>5){
                    alert("次数已经用完,请从新开始");
            }
                }
        console.log(count);
        </script>
    </body>
</html>