This question have answered again, here
Also you can do the same with JQuery and Validation plugin
You not to do anything other than install comment form JS validation plugin.
Click here and download.
Related Posts:
- How to rearrange fields in comment_form()
- Removing the “Website” Field from Comments and Replies?
- How to add a class to the comment submit button?
- How to wrap submit button of comment form with div
- comments reply script not working
- Deep customization of the comment form?
- Using filter to add additional fields to comment_form()
- Why are default comments deprecated?
- Comments Reply Form
- Does WordPress Allow Blank/Empty Comment Submissions In WordPress?
- Comment form not showing up without comments
- Programmatically block commenting by restricting view of comment form
- How can comments be submitted when I don’t have a comment box on a page?
- Custom Field Added In Comment Form Not Showing In Edit
- Add a drop down list to comment form?
- How To Remove The “Click here to cancel reply” Link From The WordPress Comment Form
- Making a Comment on a page without being on that page?
- customize comment form
- How to save new comment as custom comment type?
- WP comments form (custom) is displaying an extra comment field
- How to add consent checkbox in comment section
- How to add enctype to multipart/form-data to comment form?
- Changing position of cancel_comment_reply_link and other elements of comment form
- Publish a message on facebook after having posted a comment
- Edit Comment_Field while using T5 Comment Textarea On Top-Plugin
- Share comment to twitter after publishing [closed]
- Disable comments
- Comment form connection to Gravity Forms
- Auto-fill Custom comment fields
- The comment login form is visible to me but not to the user
- Change order of comment fields
- Create comments.php form of custom HTML code
- How can I convert anonymous commenters into registered users?
- comment_post action hook running on page load instead of after a comment is posted
- Add class to comment form div when comment-reply button is clicked
- To whom do emails get sent via the WordPress comments form?
- blank page after submitting a comment
- Display complete comment section via post ID
- Notification if Comment Author Field is left empty. E.g. change input border colour
- Assign author to comment from post edit page
- How to retain comment text on comment form after login/registration?
- Check if comment was successfully submited
- Ajax submit comments
- Why could my comment_form variable not be working?
- Display avatar with comment form?
- How to make comments private for commentor and post author
- Name of comment field differs on different sites
- comment_notes_before not working
- Add comment_meta to wp_comment_reply
- How to create post comment from different domain
- Get comment id of the individual comments in comment list when modifying comment posted using comment text filter
- How can I embed comments plugin to my own website?
- Custom comment field not showing when logged-in
- Comments on future posts
- get_comment_meta not behaving as expected
- unsetting required fields in the comment reply form
- Returning error upon comment being flagged as spam
- Clicking Comment “Reply” Button only replies to first comment
- How to filter comments by comment_meta
- Changing the Comment Fields using Filter (without success)
- Cannot Remove Title Reply from Custom Comment Template for Signup Page
- comment just attachment .. reply just text … can I do that?
- Custom sort comments with select form
- Edit Comments Fields
- Update post “A” on comment submition on post “B”
- Upload avatar for post comment
- How to display replies to his comments in user profile of current user
- Comment author profile image
- Top rated posts Average rating issue
- Comment Form Fields when user logged in
- Author name length character limit?
- Check if comment author has url
- How to pass settings to comment_form() if theme only uses comments_template()?
- edit comments in front end
- How to replace anonymous comment form with a registration form on wordpress?
- How to add a class to comment submit button?
- WordPress Commenting System User access and Security
- Comments.php is not getting called on main blog page
- How to enable truly anonymous posting in bbPress forums? [closed]
- Comment section not appearing on posts
- reply to comment excerpt instead of author in comment title
- How to change comment-page-1#comment-25 to any string?
- wp-editor-area textarea disapear on cancel-comment-reply-link click
- Comment form – different title if no comment yet
- Display Comment Form on dedicated Page for each post
- WordPress Comments jQuery Doesn’t submit
- Commentform – Hightlight invalid fields instead of prompting towards error page
- Insert comment and still use moderation
- Need an advice about comments
- How to remove website field in comment form?
- Actual comments not showing, but form is?
- add field comment [duplicate]
- How to remove or customize “Comment” in comments form?
- How do I convert users who put an email and username for a comment into registered users? [duplicate]
- Outputting complete custom comment form
- Clicking Comment “Reply” Button only replies to first comment
- Why default comment fields don’t show up?
- How to enable truly anonymous posting in bbPress forums? [closed]
- Replace Entire Comment Box with Text
- Show success message on comment submit when email and name is not required field