comment section
web development
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How to Create a Comment Section for Comments and Replies

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Deepak Tewatia
September 8, 2025
3 min read

Introduction

Creating a comment section for your website is easy! A comments section lets your visitors share their thoughts and engage with your content. Here’s how to build one that looks good and works well.

Step 1: Choose a Simple Design

First, pick a clean design for your comment section. The goal is to make it user-friendly. Avoid clutter and make sure it works on both desktop and mobile. A good layout makes it easy for people to read and write comments.

Step 2: Set Up HTML Structure

Your comment section needs a solid HTML structure. Here’s a simple example:

<code class="html">
<div class="comments-section">
  <h3>Comments</h3>
  <ul id="comments-list">
    <!-- Comments will be added here -->
  </ul>
  <form id="comment-form">
    <textarea id="comment" placeholder="Leave a comment..." required></textarea>
    <button type="submit">Post Comment</button>
  </form>
</div>

This code creates a section for comments and a form for users to add new comments. The comments will be shown in a list below.

Step 3: Add CSS for Style

Now, let’s make it look nice with some CSS. Here’s a basic style:

<code class="css">
.comments-section {
  border: 1px solid #ccc;
  padding: 20px;
  margin-top: 20px;
}

#comments-list {
  list-style-type: none;
  padding: 0;
}

#comment-form {
  margin-top: 20px;
}

#comment {
  width: 100%;
  height: 100px;
  margin-bottom: 10px;
}

This CSS gives your comment section a simple border and some spacing, making it more visually appealing.

Step 4: Use JavaScript to Handle Comments

Next, you need JavaScript to make it work. This code allows users to submit comments and see them right away:

<code class="javascript">
document.getElementById('comment-form').addEventListener('submit', function(event) {
  event.preventDefault();
  
  const commentText = document.getElementById('comment').value;
  if (commentText.trim() === '') return;
  
  const commentList = document.getElementById('comments-list');
  const commentItem = document.createElement('li');
  commentItem.textContent = commentText;
  
  commentList.appendChild(commentItem);
  document.getElementById('comment').value = ''; // clear the input
});

This JavaScript listens for the form submission, adds the comment to the list, and then clears the text area for the next comment.

Step 5: Allow Replies to Comments

For a richer experience, you can allow replies to comments. Here’s how to set this up:

<code class="javascript">
function addReplyFeature(commentItem) {
  const replyForm = document.createElement('form');
  replyForm.innerHTML = '<textarea placeholder="Reply..." required></textarea><button type="submit">Reply</button>';
  
  replyForm.addEventListener('submit', function(event) {
    event.preventDefault();
    
    const replyText = replyForm.querySelector('textarea').value;
    if (replyText.trim() === '') return;
    
    const replyItem = document.createElement('li');
    replyItem.textContent = replyText;
    commentItem.appendChild(replyItem);
    replyForm.querySelector('textarea').value = ''; // clear the input
  });
  
  commentItem.appendChild(replyForm);
}

document.getElementById('comment-form').addEventListener('submit', function(event) {
  event.preventDefault();

  const commentText = document.getElementById('comment').value;
  if (commentText.trim() === '') return;

  const commentList = document.getElementById('comments-list');
  const commentItem = document.createElement('li');
  commentItem.textContent = commentText;
  
  addReplyFeature(commentItem); // add reply option
  commentList.appendChild(commentItem);
  document.getElementById('comment').value = ''; // clear the input
});

With this code, each comment can have its own reply form, making it easy for visitors to join the conversation.

Step 6: Monitor Comments

Finally, remember to keep an eye on the comments. It’s essential for ensuring that the conversation stays friendly and constructive. Set aside time to review comments and moderate if necessary.

By following these steps, you can create a lively comment section that encourages visitors to engage with your content. A well-designed comments section not only adds value to your site but also helps build a community around your content.

Now you have a simple way to connect with your audience and allow discussion. So go ahead and implement your comment section today!

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