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Make your clients’ lives easier by allowing them to add/remove all the terms in a custom taxonomy from a post with a single click.

Simply add the following script to your functions.php file (make sure to update the checklist selector to match the appropriate id for your site):

/* Add Select All Checkbox to Custom Taxonomy */

add_action( 'admin_print_footer_scripts', 'my_custom_taxonomy_check_all' );
function my_custom_taxonomy_check_all() { 
  ?>
    <script type="text/javascript">
      jQuery(document).ready(function($) {
          $('ul#mytaxonomychecklist').prepend('<li><label class="selectit"><input type="checkbox" class="toggle-all-terms"/> Check All Terms</label>');

          $('.toggle-all-terms').on('change', function(){
              $(this).closest('ul').find(':checkbox').prop('checked', this.checked );
          });
      });
    </script>
  <?php   
}

That’s it! Have any questions? Leave a note below in the comments!

Allen Robinson

Director of Application Development
Allen has been responsible for overseeing client website development, implementation, and maintenance at Foxtrot Media for over 10 years. A Computer Science graduate from the University of Wisconsin- Madison, Robinson is a software development and content management system specialist, fluent in CSS, PHP, MySQL, HTML, and JavaScript.

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Allen Robinson

Director of Application Development
Allen has been responsible for overseeing client website development, implementation, and maintenance at Foxtrot Media for over 10 years. A Computer Science graduate from the University of Wisconsin- Madison, Robinson is a software development and content management system specialist, fluent in CSS, PHP, MySQL, HTML, and JavaScript.

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