How to add TinyMCE editor to Category Description?

Here is the code for adding TinyMCE editor to Category Description. paste this code to your theme function.php file then TinyMCE editor will add to Category Description.
 

 
add_filter('edit_category_form_fields', 'edit_cat_description');
function edit_cat_description($category) { 
    $tag_extra_fields = get_option(description1);?>
    <table class="form-table">
    <tr class="form-field">
    <th scope="row" valign="top"><label for="description"><?php _ex('Description', 'Taxonomy Description'); ?></label></th>
    <td>
    <?php     $settings = array('wpautop' => true, 'media_buttons' => true, 'quicktags' => true, 'textarea_rows' => '15', 'textarea_name' => 'description' );
    wp_editor(html_entity_decode($category->description , ENT_QUOTES, 'UTF-8'), 'description1', $settings); ?>
    <br />
    <span class="description"><?php _e('The description is not prominent by default, however some themes may show it.'); ?></span>
    </td>
    </tr>
    </table>
<?php
}
 
add_action( 'admin_print_styles', 'category_tinymce_css' );
function category_tinymce_css() { ?>    <style type="text/css">
    .quicktags-toolbar input{float:left !important; width:auto !important;}
    </style>
<?php 
}
 
add_action('category_add_form_fields','add_cat_description');
function add_cat_description($tag) {
    $tag_extra_fields = get_option(description1);?>
    <table class="form-table">
    <tr class="form-field">
    <th scope="row" valign="top"><label for="description"><?php _ex('Description', 'Taxonomy Description'); ?></label></th></tr><tr class="form-field">
    <td>
    <?php     $settings = array('wpautop' => true, 'media_buttons' => true, 'quicktags' => true, 'textarea_rows' => '15', 'textarea_name' => 'description' );
    wp_editor(html_entity_decode($tag->description , ENT_QUOTES, 'UTF-8'), 'description1', $settings); ?>    <br />
    <span class="description"><?php _e('The description is not prominent by default, however some themes may show it.'); ?></span>
    </td>
    </tr>
    </table>
<?php 
} 
 
add_action('admin_head', 'taxonomy_tinycme_hide_description');
function taxonomy_tinycme_hide_description() {
global $pagenow; 
//echo $pagenow;exit;
 
//only hide on detail not yet on the overview page.
    if( ($pagenow == 'edit-tags.php' || isset($_GET['action']) )) :    ?>    <script type="text/javascript">
    jQuery(function($) {
        $('#description, textarea#tag-description').closest('.form-field').hide();
    });
    </script><?php endif;
}