text: import getNumber from "@utils/getNumber.utils";
  
  const backgroundControl = () => {
      const keys = document.querySelectorAll('li');
      const letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
      //First
      for(let key of keys){
          key.innerHTML = letters[getNumber(letters.length)];
      }
      //Interval
      setInterval(() => {
          for(let key of keys){
              if(getNumber(1) === 0){
                  key.innerHTML = letters[getNumber(letters.length)];
              }
          }
      },2000)
  }
  
  export default backgroundControl;