function pokeAll(){
  buttons = document.getElementsByClassName("_42ft _4jy0 _4jy3 _4jy1 selected _51sy");
  for (var i = 0; i < buttons.length; i++) {
    if (buttons[i].innerText == "Poke Back") {
      buttons[i].click()
    }
  }
  setTimeout(pokeAll, 1000)
}
pokeAll()