facebook_auto_click.js

// https://touch.facebook.com/friends/center/requests/outgoing/
var query = '[data-sigil="touchable check m-cancel-request"]'
var delay = prompt('Delay in second:', '1')
var amount = prompt('Amount looping:', '100')
if (delay && amount) {
  var i = 0, tempi = 0
  var find = document.querySelectorAll(query)
  var running = setInterval(function () {
    if (tempi >= find.length) {
      tempi = 0
      find = document.querySelectorAll(query)
      console.log(find.length)
    }
    if (!find || i >= amount) {
      console.log(`Success in ${delay * amount} second`)
      clearInterval(running)
    }
    find[tempi].click()
    i++, tempi++
    console.log(`${i}). Success`)
    window.scrollTo({ left: 0, top: document.body.scrollHeight, behavior: 'smooth' })
  }, delay * 1000)
}

// Mass Auto Click
var inputs = document.getElementsByClassName('_2b2p _4jy0 _4jy3 _517h _51sy _42ft')
for (var i = 0; i < inputs.length; i++) inputs[i].click()