javascript файл, чтобы сделать список yapımı

HTML-код;

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="style.css">
    <script src="https://kit.fontawesome.com/a93a539fd4.js" crossorigin="anonymous"></script>
    <title>To do List</title>
</head>

<body>

    <h1>To Do List</h1>

    <div class="container">
        <div class="left">
            <form id="form">
                <label for="">İçeriği buraya yazınız:</label>
                <br><br>
                <textarea name="" id="input" cols="30" rows="10"></textarea>
                <br><br>
                <div id="msg"></div>
                <br><br>
                <button type="submit">Gönder</button>
            </form>
        </div>

        <div class="right">
            <h3>Yapılacaklar:</h3>
            <div id="posts">
                <div>post 1
                    <p></p>
                    <span class="options">
                        <i onClick="editPost(this)" class="fa-solid fa-pen-to-square"></i>
                        <i onClick="deletePost(this)" class="fa-solid fa-trash-can"></i>
                    </span>
                </div>
                <div>post 2
                    <p></p>
                    <span class="options">
                        <i onClick="editPost(this)" class="fa-solid fa-pen-to-square"></i>
                        <i onClick="deletePost(this)" class="fa-solid fa-trash-can"></i>
                    </span>
                </div>
            </div>
        </div>
    </div>

    <script src="main.js"></script>
</body>

</html>

Коду Javascript;

let form = document.getElementById("form");
let input = document.getElementById("input");
let msg = document.getElementById("msg");
let posts = document.getElementById("posts");

form.addEventListener("submit", (e) => {
    e.preventDefault();
    console.log("button clicked");

    formValidation();

});

let formValidation = () => {
    if (input.value === "") {
        msg.innerHTML = "İçerik boş bırakılamaz!";
    }
    else {
        msg.innerHTML = "";
        acceptData();
    }
}

let data = {};

let acceptData = () => {
    data["text"] = input.value;
    createPost();
};

let createPost = () => {
    posts.innerHTML += `
    <div>
      <p>${data.text}</p>
      <span class="options">
        <i onClick="editPost(this)" class="fas fa-edit"></i>
        <i onClick="deletePost(this)" class="fas fa-trash-alt"></i>
      </span>
    </div>
    `;
    input.value = "";
};

let deletePost = (e) => {
    e.parentElement.parentElement.remove();
};

let editPost = (e) => {
    input.value = e.parentElement.previousElementSibling.innerHTML;
    e.parentElement.parentElement.remove();
};