<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script>
//初始购买可乐数
var sum = 20;
function cola(K){
var a = Math.floor(K/3); //瓶盖可换得瓶数
var b = K%3; //瓶盖换剩瓶盖数
sum += a ; //总瓶数
k = a + b ; //瓶盖数
//判断剩余瓶盖能够继续换购可乐
if(k<3){
return sum;
}
return cola(k);
}
document.write((cola(20)));
</script>
</head>
<body>
</body>
</html>JS递归练习----换购可乐
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转载自blog.csdn.net/dreamer0823/article/details/88676910
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