In my page-members.php I output my list of categories

    $args = array(
        'orderby' => 'slug'
    $categories = get_categories($args);
    foreach ($categories as $category) {
        echo '<a href="' . get_category_link($category->term_id) . '"><div class="category-block">' . $category->name . '</div></a>';

I'd like for a click on those links to fill the right column with the posts of that category.

I have a js file loaded for this page; my functions.php:

if (is_page()) {
    global $post;
    if ($post->post_name == 'members') {
        wp_enqueue_script('jquery', get_template_directory_uri() . '/js/jquery.js', array(), '', true);
        wp_enqueue_script('blog', get_template_directory_uri() . '/js/blog.js', array('jquery'), '', true);
        wp_localize_script('blog', 'ajaxposts', array(
            'ajaxurl' => admin_url('admin-ajax.php')

My blog.js loads appropriately only on the members page.

What can I put into blog.js to load posts by category?

  • Is the second block of code inside a hook callback function? You must use wp_enqueue_scripts hook to enqueue scripts and styles. Commented Aug 6, 2019 at 18:26

1 Answer 1


Add the category ID to category list items <div class="category-block" data-cid="{ID-OF-CAT}">, you will need it in the ajax request. You must also include action in the request and display received data.

Here you can read more about AJAX in WP.


(function($) {
    $(document).ready(function() {
        var cat_buttons = $(".category-block");
        cat_buttons.on( 'click', function(event){
            var cid = $(this).data('cid');
                type: "POST",
                url: ajaxposts.ajaxurl,
                data: {
                    action: 'my_action_name',
                    cat_id: cid // <-- category ID of clicked item / link
            .done( function(data){
                // display posts

You need also PHP function to handle the AJAX request:


add_action( 'wp_ajax_my_action_name', 'ajx_handle_my_action' );
add_action( 'wp_ajax_nopriv_my_action_name', 'ajx_handle_my_action' );

function ajx_handle_my_action() {
    $category_id = (int)$_POST['cat_id'];
    // read category posts

    echo json_encode( $result );    

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