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Automatically check the “Save my name, email, and website in this browser for the next time I comment.” box in WordPress

Stanislav KhromovStanislav Khromov

Surprisingly WordPress always seems to leave the box unchecked when loading a page, so a user has to keep checking it each time they want to leave a comment to keep their name saved. With this simple JavaScript snippet the checkbox will be prefilled if a user has previously checked it and submitted a comment.

 * Automatically tick the "Save my data in this browser" checkbox on comments if it was ticked before.
add_action('wp_footer', function() {
    if(is_single() && comments_open()):
            if(document.cookie && document.cookie.includes('comment_author_')) {
                document.getElementById('wp-comment-cookies-consent').checked = true;

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