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JavaScript uses recursive algorithm to calculate factorial example_javascript skills

WBOY
WBOYOriginal
2016-05-16 15:47:171614browse

The example in this article describes how JavaScript uses recursive algorithm to calculate factorial. Share it with everyone for your reference. The details are as follows:

Here we use the recursive algorithm in JavaScript to calculate the factorial. This is a very common small example when you first learn programming. Compare it with the calculation method in JS.

The operation effect is as follows:

The specific code is as follows: 

<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=GB2312" />
<title>递归算法计算阶乘</title>
</head>
<body style="overflow:auto; padding:0px; margin:0px;">
<div style="font-size:14px; font-weight:bold; color:white; font-family:Arial, 宋体; background-color:#6090DA; padding:4px 10px;">
 <script>
  function calc(n){
   if(n>0)return(calc(n-1)*n);
   return(1);
  }
  document.write("正整数8的阶乘是"+calc(8));
  document.write("<br>正整数16的阶乘是"+calc(16));
 </script>
</div>
</body>
</html>

I hope this article will be helpful to everyone’s JavaScript programming design.

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