| 12345678910111213141516171819202122232425 |
- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <meta name="viewport" content="width=device-width, initial-scale=1.0">
- <title>Document</title>
- </head>
- <body>
- <script>
- // 定一个计算 n的阶层的函数
- function factorial(n){
- var res = 1;
- for(var i=1;i<=n;i++){
- // res = res * i;
- res *= i;
- }
- return res;
- }
- console.log(factorial(12) - factorial(10));
- </script>
- </body>
- </html>
|
