// Open the console (F12) and paste the code then enter it. Enjoy!
// 
var customavatar=["ex","am","pl","e"]; //use this for manual split (recommended if you want to use emoji)
var autoSplitcustomavatar="example";//choose your custom avatar - the string will be split into groups of 2, so keep in mind   
var autoSplit= false; //set false for manual split
var delay = 400; //choose the speed of the scrolling (1000=1sec)
var yourkey = "5"; // choose your button to active scroll avatar (on/off system)
var counter=0;
var iframe;
var on = true;
var key;
var timer;
var arr = [];





function chunkString (str, len) {
  const size = Math.ceil(str.length/len)
  const r = Array(size)
  let offset = 0
  
  for (let i = 0; i < size; i++) {
    r[i] = str.substr(offset, len)
    offset += len
  }
  
  return r
}

setTimeout(function arrayavatar(){
 if(autoSplit == true){

     arr = chunkString(autoSplitcustomavatar,2);
    
 }
 else{
   
   arr = customavatar;
 }
},1);
  


setTimeout(function setup(){
  iframe = document.querySelector("iframe").contentWindow.document;
    iframe.body.addEventListener("keydown", keypressed, true);
},1000);



var keypressed = function(event) {
 if (iframe.activeElement != iframe.querySelectorAll("[data-hook='input']")[0]) {
      key = event.key;
   activeAvatar();

    }
}

function activeAvatar() {
  if (key == yourkey){
    on?timer = setInterval(Avatar,delay):clearInterval(timer)
    on=!on;
}
}


  function Avatar() {
  
if(counter == arr.length){
    counter=0;
  }

    iframe.body.querySelectorAll("[data-hook='input']")[0].value = "/avatar " + arr[counter];
    iframe.body.querySelectorAll("[data-hook='send']")[0].click();
counter++;
        var updates = iframe.body.getElementsByClassName("notice");
    for (var i = 0; i < updates.length; i++) {
      var notice = updates[i];
      if (notice.innerHTML == "Avatar set") {
        notice.parentNode.removeChild(notice);
      }
    }
   
     
    }