Possible technique for recursive functions

js_possible_recursion.md

const createDivs = howMany => {
  if (!howMany) return;
  document.body.insertAdjacentHTML("beforeend", "<div></div>");
  return createDivs(howMany - 1);
};
createDivs(5);

public function thisIsRecursive($x) {
  if(!$x) return;
  print $x + $x;
  thisIsRecursive($x -1);
}