Creating a Comments Box using JavaScript and HTML

Learn how to build a functional comments box with JavaScript and HTML that stores comments dynamically without page reloads.
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This video is based on the question https://stackoverflow.com/q/71547824/ asked by the user 'Peter Ly' ( https://stackoverflow.com/u/11881120/ ) and on the answer https://stackoverflow.com/a/71548147/ provided by the user 'Abdelaziz Alsabagh' ( https://stackoverflow.com/u/13343168/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Creating a Comments Box Using JavaScript and HTML

Have you ever wanted to create a comments section on your website where users can share their thoughts and feedback? As a beginner programmer, this task may seem daunting, but with a few lines of JavaScript and HTML, you can create an engaging comments box that stores user comments effectively. In this guide, we’ll walk through everything you need to know to build your own comments box, ensuring that comments are displayed and stored correctly without disappearing after submission.

Understanding the Problem

Imagine crafting a comments box where each comment submitted by users appears in a dedicated section of your website. The initial challenge you might encounter is that while comments can be appended to the box, they disappear immediately after submission. This usually happens because the form processes and refreshes the page, causing the submitted data to reset.

In this guide, we will tackle the challenge of keeping comments persistent in the box by using JavaScript to manage the input and storage of user comments.

Step-by-Step Solution

1. Set Up Your HTML Structure

Let's create a simple HTML layout for our comments box. Here’s the basic structure you will need:

[[See Video to Reveal this Text or Code Snippet]]

2. Implementing the JavaScript Functionality

Now, let’s add the JavaScript that will capture comments and display them in the comment box.

a. Store Comments in an Array

We will use an array to store the comments, allowing us to manage and display them dynamically.

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b. Enable Comment Submission

Next, we need to capture the comment when the user submits the form. Use the following JavaScript code:

[[See Video to Reveal this Text or Code Snippet]]

c. Clear Comments Functionality

You can also add functionality to clear the comments from the box.

[[See Video to Reveal this Text or Code Snippet]]

3. Putting It All Together

Your complete JavaScript would look like this:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

In this guide, we explored how to create a functional comments section using HTML and JavaScript. The key takeaways include:

Using an array to store input from users.

Preventing form submission to keep the comments displayed.

Dynamically generating comment lists by manipulating the DOM.

With this knowledge, you can enhance your coding skills while providing a valuable feature on your website. The possibilities are endless as you implement additional features like deleting individual comments or editing existing ones. Happy coding!

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