<html> <head> <title>20、30、40的阶乘</title> <script language="javascript"> var n; document.write(jiecheng(20)+"<br/>"); document.write(jiehceng(30)+"<br/>"); document.write(jiehceng(40)+"<br/>"); function jiecheng(n) { if(n<=1) return 1; else { return n*arguments.callee(n-1); } } </script> </head> </html>
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明月笑刀无情
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