标签：for循环 var 循环 function ret java ons turn rip
function cj (num) {
if (num === 0) {
return 0
} else {
for (var i = num - 1; i >= 1; i--) {
num *= i
}
return num;
}
}
console.log(cj(2))
标签：for循环 var 循环 function ret java ons turn rip
原文地址：https://www.cnblogs.com/ly-qingqiu/p/12156017.html
