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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
//function numberSum(num) {
//  if(num == 1) {
//    return 1;
//  }
//  else {
//    return num + numberSum(num - 1);
//  }
//}

//console.log(numberSum(5)); // 5 + 4 + 3 + 2 + 1 = 15

function Faktorial(num) {
  if(num === 1) {
    return num;
  } else {
    return num * Faktorial(num -1);
  }
}

console.log(Faktorial(5));


// 12 5
// 12 * 7 * 2 = 168

function Selisih(num1, num2) {
  if(num1 <= num2) {
    return num1;
  } else {
    return num1 * Selisih(num1 - num2, num2);
  }
}

console.log(Selisih(12, 5));
</script>


<script id="jsbin-source-javascript" type="text/javascript">//function numberSum(num) {
//  if(num == 1) {
//    return 1;
//  }
//  else {
//    return num + numberSum(num - 1);
//  }
//}

//console.log(numberSum(5)); // 5 + 4 + 3 + 2 + 1 = 15

function Faktorial(num) {
  if(num === 1) {
    return num;
  } else {
    return num * Faktorial(num -1);
  }
}

console.log(Faktorial(5));


// 12 5
// 12 * 7 * 2 = 168

function Selisih(num1, num2) {
  if(num1 <= num2) {
    return num1;
  } else {
    return num1 * Selisih(num1 - num2, num2);
  }
}

console.log(Selisih(12, 5));</script></body>
</html>