document.addEventListener('DOMContentLoaded',function(event){
  // array with texts to type in typeWriter2
  var dataText = [ "voice", "business", "community"];
  
  // type one text in the typwriter
  // keeps calling itself until the text is finished
  function typeWriter2(text, i, fnCallback) {
    // chekc if text isn't finished yet
    if (i < (text.length)) {
      // add next character to h1
     document.querySelector("i").innerHTML = text.substring(0, i+1) +'<span aria-hidden="true"></span>';

      // wait for a while and call this function again for next character
      setTimeout(function() {
        typeWriter2(text, i + 1, fnCallback)
      }, 100);
    }
    // text finished, call callback if there is a callback function
    else if (typeof fnCallback == 'function') {
      // call callback after timeout
      setTimeout(fnCallback, 2000);
    }
  }
  // start a typeWriter2 animation for a text in the dataText array
   function StartTextAnimation(i) {
     if (typeof dataText[i] == 'undefined'){
        setTimeout(function() {
          StartTextAnimation(0);
        }, 3500);
     }
     // check if dataText[i] exists
    if (i < dataText[i].length) {
      // text exists! start typeWriter2 animation
     typeWriter2(dataText[i], 0, function(){
       // after callback (and whole text has been animated), start next text
       StartTextAnimation(i + 1);
     });
    }
  }
  // start the text animation
  StartTextAnimation(0);
});