Question

我正在尝试在JavaScript中编写一个匿名函数，它将使用公式率*时间计算并返回行进距离。需要将函数定义分配给变量。然后需要使用该变量调用该函数。

但我遇到了代码问题，任何指出我做错的事情都表示赞赏。

<html>
<head><title>Anonymous Function</title>
    <script type="text/javascript">

    var d = function(){
    }

   return d;
 }

    </script>
</head>
<body>

   <script type="text/javascript">
      var rate = prompt('how fast plan to drive (in mph)');
         rate = parseInt(rate);
      var time = prompt('how much time do you plan to drive? (in minutes)');
          time = parseInt(time);
      distance = rate * time;
      d = distance;
</script>
</big>
</body>
</html>

Answer 1

var distance = function(rate, time) {
    return rate * time;
}

var rate = prompt('how fast plan to drive (in mph)');
rate = parseInt(rate);
var time = prompt('how much time do you plan to drive? (in minutes)');
time = parseInt(time);
d = distance(rate, time);
alert("You traveled "+d+" miles");

距离=速率*时间计算

1 个答案: