whole_func_string: function showMessage(message, messageBtn){
    var uiMessage = document.querySelectorAll(message),
        uiMessageBtn = document.querySelectorAll(messageBtn),
        timeOut = 2000,
        // Becouse animation: fadeOutUp .3s
        timeOutUp = timeOut - 1700;
    // console.log(uiMessageBtn)
  
    // Only Message without button
    if(uiMessageBtn.length === 0){
      for (var i = 0; i < uiMessage.length; i++) {
        var uiMessage = uiMessage[i];
        showAndHideMessage();
      }
    }
  
    // Message with button
    for (var i = 0; i < uiMessage.length; i++) {
      var uiMessage = uiMessage[i],
          uiMessageBtn = uiMessageBtn[i];
  
      uiMessageBtn.onclick = function(){
        showAndHideMessage();
      };
    }
  
    function showAndHideMessage(){
      uiMessage.style.display = 'flex';
  
      // Animation
      uiMessage.classList.add('fadeInDown');
      uiMessage.classList.remove('fadeOutUp');
  
      setTimeout(function() {
        setTimeout(function(){
          uiMessage.style.display = 'none';
        }, timeOutUp);
  
        // Animation
        uiMessage.classList.add('fadeOutUp');
        uiMessage.classList.remove('fadeInDown');
      }, timeOut);
    }
  
  }
func_code_string: function showMessage(message, messageBtn){
    var uiMessage = document.querySelectorAll(message),
        uiMessageBtn = document.querySelectorAll(messageBtn),
        timeOut = 2000,
        // Becouse animation: fadeOutUp .3s
        timeOutUp = timeOut - 1700;
    // console.log(uiMessageBtn)
  
    // Only Message without button
    if(uiMessageBtn.length === 0){
      for (var i = 0; i < uiMessage.length; i++) {
        var uiMessage = uiMessage[i];
        showAndHideMessage();
      }
    }
  
    // Message with button
    for (var i = 0; i < uiMessage.length; i++) {
      var uiMessage = uiMessage[i],
          uiMessageBtn = uiMessageBtn[i];
  
      uiMessageBtn.onclick = function(){
        showAndHideMessage();
      };
    }
  
    function showAndHideMessage(){
      uiMessage.style.display = 'flex';
  
      // Animation
      uiMessage.classList.add('fadeInDown');
      uiMessage.classList.remove('fadeOutUp');
  
      setTimeout(function() {
        setTimeout(function(){
          uiMessage.style.display = 'none';
        }, timeOutUp);
  
        // Animation
        uiMessage.classList.add('fadeOutUp');
        uiMessage.classList.remove('fadeInDown');
      }, timeOut);
    }
  
  }
func_documentation_string: Message