<meta charset="UTF-8">
<script>
function pulaLinha() {
document.write("<br>");
document.write("<br>");
}
function mostra(frase) {
document.write(frase);
pulaLinha();
}
var n = 0;
while(n <= 100){
mostra(n);
n = n + 2;
}
mostra("Fim!");
</script>
