chatMessage

function solve() {
  let targetDiv = document.getElementsByClassName("message my-message")[0];
  let sendButton = document.getElementsByTagName("button")[0];
  let textArea = document.getElementById("chat_input");
  let chatMessageArea = document.getElementById("chat_messages");

  sendButton.addEventListener("click", function() {
    let targetDivClone = targetDiv.cloneNode(true);
    let textAreaContent = textArea.value;

    targetDivClone.textContent = textAreaContent;

    chatMessageArea.appendChild(targetDivClone);

    textArea.value = "";
  });
}