for(i=2i<6i++){//5!=1*2*3*4*5
n*=i
}
console.log("5的阶乘是"+n)
<!doctype html><html>
<head>
<meta charset="UTF-8">
<meta name="Generator" content="EditPlus®">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
<title>Document</title>
</head>
<body>
<script>
function jieCheng(n){
return n > 1 ? n * jieCheng(n-1) : 1
}
var q = jieCheng(5)
alert('5的阶乘:'+q)
</script>
</body>
</html>
上面的代码,列出了5的阶乘,请仔细阅读,
如有疑问,请及时沟通。