DOM 01. Chat Room

function solve() {
   const sendBtn = document.getElementById('send');
   const messageContainer = document.getElementById("chat_input");
   sendBtn.addEventListener('click', sendMessage);

   function sendMessage() {
      let message = messageContainer.value;
      let newMessage = document.createElement('div');
      newMessage.classList.add('message', 'my-message');
      newMessage.textContent = message;
      document.getElementById("chat_messages").appendChild(newMessage);
      messageContainer.value = '';
   }
}