InternalError: too much recursion

function loop(x) {
  if (x >= 10) {
    // "x >= 10" is the exit condition
    return;
  }
  // do stuff
  loop(x + 1); // the recursive call
}
loop(0);

function loop(x) {
  if (x >= 1000000000000) return;
  // do stuff
  loop(x + 1);
}
loop(0);

// InternalError: too much recursion