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<!DOCTYPE html>
<html>
<head>
<meta name="description" content="Recursive function example">
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Recursion 101</title>
</head>
<body>

<script id="jsbin-javascript">
// Recursion 101
var callCount = 0;
var recursion101 = function(num) {
	console.log("recursion101(3) call count: " + ++callCount);
	var sum = 0;
    if (num <= 0) return num;
    sum = num + recursion101(num - 1);
		return sum;
};

recursion101(3);
</script>


<script id="jsbin-source-javascript" type="text/javascript">// Recursion 101
var callCount = 0;
var recursion101 = function(num) {
	console.log("recursion101(3) call count: " + ++callCount);
	var sum = 0;
    if (num <= 0) return num;
    sum = num + recursion101(num - 1);
		return sum;
};

recursion101(3);</script></body>
</html>