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- <!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>
- var sum = 0;
- // 计算1！+2！+3！+...+10！
- for(var i=1;i<=10;i++){
- var res = 1;
- // 计算阶乘
- for(var j=1;j<=i;j++){
- res *= j;
- }
- sum += res;
- }
- console.log(sum);
- </script>
- </body>
- </html>
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