编写一个js函数用来求n的阶乘
最新回答
我咋那么萌捏
2026-10-29 18:45:23
function factorial(n){
return n > 1 ? n * factorial(n-1) : 1;
}
factorial(5);//120以上函数可以求简单的n的
阶乘
由于使用的是原生的乘法，所以计算范围有限
主要使用了递归的方式进行计算，是求阶乘的常用方法之一
风软一江水
2026-05-17 17:42:54
<script type="text/javascript">
n = 1;
x = 4;阶乘等级
s = 1; //结果
for(i=1;i<=x;i++){
s = s * i;
}
</script>
你伴我暖
2026-06-07 23:18:35
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function product(array) {
if(array instanceof Array) {
var len = array.length;
var result = len > 0 ? 1 : null;
for(var i = 0; i < len; i++) {
result *= array[i];
}
return result;
}
return null;
}
function factorial(<a href="
https://www.baidu.com/s?wd=num&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1Y4mW7-uhc3rj--nHKBuyc10ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6K1TL0qnfK1TL0z5HD0IgF_5y9YIZ0lQzqlpA-bmyt8mh7GuZR8mvqVQL7dugPYpyq8Q1DLPHf4nWc4PHDdnjD3rH6znW6
" target="_blank" class="baidu-highlight">num</a>) {var result = <a href="
https://www.baidu.com/s?wd=num&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1Y4mW7-uhc3rj--nHKBuyc10ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6K1TL0qnfK1TL0z5HD0IgF_5y9YIZ0lQzqlpA-bmyt8mh7GuZR8mvqVQL7dugPYpyq8Q1DLPHf4nWc4PHDdnjD3rH6znW6
" target="_blank" class="baidu-highlight">num</a> > 0 ? 1 : 0;while(<a href="
https://www.baidu.com/s?wd=num&tn=44039180_cpr&fenlei=mv6quAkxTZn0IZRqIHckPjm4nH00T1Y4mW7-uhc3rj--nHKBuyc10ZwV5Hcvrjm3rH6sPfKWUMw85HfYnjn4nH6sgvPsT6K1TL0qnfK1TL0z5HD0IgF_5y9YIZ0lQzqlpA-bmyt8mh7GuZR8mvqVQL7dugPYpyq8Q1DLPHf4nWc4PHDdnjD3rH6znW6
" target="_blank" class="baidu-highlight">num</a> > 0) {result *= num;
num--;
}
return result;
}
var result1 = product([1,2,3,4,5]);
var result2 = factorial(5);
无聊的下雨天
2026-04-05 14:39:24
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script type="text/javascript">
window.onload = function(){
var oBtn = document.getElementById("but");
var Txt1 = document.getElementById("txt1");
var Txt2 = document.getElementById("txt2");
oBtn.onclick = function(){
n = Txt1.value;
function factorial(n){
if(n < 2){
return 1;
}
return n * factorial(n - 1);
}
Txt2.value = factorial(n);
}
}
</script>
</head>
<body>
<input type="text" name="" id="txt1" value="" />
<input type="button" name="" id="but" value="阶乘" />
<input type="text" name="" id="txt2" value="" />
</body>
</html>
长歌与行
2026-07-07 21:39:38
var n=0,
var otpt
function compute(n){
otpt=1
for(i=n;i>0;i--)
{
otpt*=i;
}
retern otpt()
}
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