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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Week 5 Exercise: 2</title>
</head>
<body>
<h1><code>Recursion Exercise</code></h1>
<script>
//Exercise 2
console.log("Exercise 2: Recursion")
function isEven (num) {
if (num == 0) { //alt way: (num % 2 == 0)
return true; //even #
} else if (num == 1) { //alt way: (num % 1 == 0)
return false; //odd #
} else if (num < 0) {
return isEven(-num); //negative #
}
else {
return isEven(num - 2); //any other numbers
}
}
</script>
</body>
</html>