text: function increaseNumberMessageGroup(divId){
    //Dau + convert string to number
    let currentValue = +$(`.right[data-chat=${divId}]`).find("span.show-number-messages").text();
    currentValue += 1;
  
    $(`.right[data-chat=${divId}]`).find("span.show-number-messages").html(currentValue);
  }
  
  