I added this bit of code to my header.php file:

<script type="text/javascript">
$(document).ready(function() {
    if( $('div').hasClass('icheckbox') && $('div').hasClass('disabled') ) {

My goal is to add the class .hide_empty to the parent of all div elements that have a class .icheckbox AND a class .disabled, in that order, with no other classes. The parent of these div elements is a li element in all cases.

I checked many answers to related questions and tried many variations, but whatever cariation I use, the class .hide_empty is never added to the parent li element.

What am I doing wrong here?

Thanks to the input of both @Andrea and @dhirenpatel22 I came up with the following working code:

In my footer.php I added:

    function hide_empty_terms() { ?>
        <script type="text/javascript">
            jQuery(window).load(function() {
                jQuery(".icheckbox.disabled").each(function() {
    <?php }
    add_action('wp_footer', 'hide_empty_terms');

right before <?php wp_footer(); ?>. This actually adds the class hide_empty to the parent li element of <div class="icheckbox disabled">.


So, the elements should be changed into <div class="icheckbox disabled hide_empty" style="">

that's different from the goal stated in the question where you say you want to add class "hide_empty" to the parent <li> of the <div class="icheckbox">. The code posted by @dhirenpatel22 should work to add class hide_empty to the li element, of course if the element you want to add class to is the same div it should be $(this).addClass('hide_empty')

Also note that hasClass() will return true even if the element has more classes. To find only the divs with both and exclusively icheckbox + disabled I guess the best way is:

$(".icheckbox, .disabled").each(function(){
  // or $(this).addClass('hide_empty') 
  //if it's the <div> instead of <li> you want to apply the rule
  • You're quite right @Andrea. I stand corrected. The HTML should be changed into <li class="term_1675 hide_empty">, <li class="term_1676 hide_empty">, etc. Thanks for your suggestion though. I'll give it a try. – Guido Jul 30 '18 at 22:31
  • Thanks again @dhirenpatel22 and @Andrea, but it still doesn't work. I put an alert in, just to see if anything is processed at all, but the alert doesn't show. I'm starting to think something's wrong with the placement of the code. I put mine in header.php, just before the </head> tag. Is that correct? – Guido Jul 31 '18 at 10:47
  • Did you look at the js console? You may have js error.. Replace the instances of $ with jQuery – Andrea Somovigo Jul 31 '18 at 10:54
  • I had looked at the js console before and still no warnings or errors. Replacing $ with jQuery didn't change anything, I'm afraid. I hope you have another suggestion. If not, well, I guess it's a quirk somewhere that I need to smooth out at some point... – Guido Jul 31 '18 at 11:44
  • are you on the right file? in the html source can you see yor code? – Andrea Somovigo Jul 31 '18 at 11:50

I have just updated your code...

<script type="text/javascript">
$(document).ready(function() {
    $('div').each(function() {
        if( $(this).hasClass('icheckbox') && $(this).hasClass('disabled') ) {

Hope this works..!!

  • Thanks @dhirenpatel22, but I'm afraid it still doesn't work. Should I use $(document).ready(function() or rather $(window).load(function() for the function to load after the DOM is loaded? – Guido Jul 30 '18 at 17:08
  • It would be good if you share the complete code here or provide the reference URL (if its ok with you), so that can provide a precise solution to your problem. – dhirenpatel22 Jul 30 '18 at 17:13
  • Hi @dhirenpatel22, I just added the html code in a comment to my original question. – Guido Jul 30 '18 at 20:01

This is the html code I aim to change:

<div class="html_list"> <ul class="list_checkbox"> <li class="term_1675 "> <div class="icheckbox disabled" style=""> <input type="checkbox" id="term_1675" class="checkbox_term checkbox_term_1675" data-tax="product_tag" name="advies" data-term-id="1675" value="1675" style=""> <ins class="iCheck-helper" style=""></ins> </div> ...some more code... </li> <li class="term_1676 "> <div class="icheckbox disabled" style=""> <input type="checkbox" id="term_1676" class="checkbox_term checkbox_term_1676" data-tax="product_tag" name="coaching" data-term-id="1676" value="1676" style=""> <ins class="iCheck-helper" style=""></ins> </div> ...some more code... </li> ...etc... </ul> </div>

So, the <div> elements should be changed into <div class="icheckbox disabled hide_empty" style="">

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