Exercise:

Make the loop start counting from 5. Count up to (including) 50 and count only every fifth number.

Hint: Change the counter variable to 5, run the loop as long as i is less than or equal to 50, and change i++ to i = i + 5.

<!DOCTYPE html>
<html>
<body>

<p id="demo"></p>

<script>
var i = 5;
while (i <= 50) {
    document.getElementById("demo").innerHTML += i + "<br>";
    i = i + 5;
}
</script>

</body>
</html>