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    <p>You can easily insert more elements - as you did. The part that won't work is adding an element that doesn't exist on the page. </p> <p>For a WordPress post to 'exist' on the page, it has to be queried by PHP in some way.</p> <p>You can use a custom query - like you did using WP_Query(): <a href="http://codex.wordpress.org/Class_Reference/WP_Query" rel="nofollow">http://codex.wordpress.org/Class_Reference/WP_Query</a></p> <p>You can also use something like get_posts: <a href="http://codex.wordpress.org/Template_Tags/get_posts" rel="nofollow">http://codex.wordpress.org/Template_Tags/get_posts</a></p> <p>But unless you queried them through WP somehow, they don't exist on the page and can't be added at runtime.</p> <p>You could do a separate query for the extra posts you want and put them in a div with the CSS set to display:none</p> <p>That way, you could reference them with your JS because they would exist on the page. </p> <p>Something like this:</p> <pre><code>global $post; //First Query $args = array( 'post_type' =&gt; "post", 'tax_query' =&gt; array( 'relation' =&gt; 'AND', array( 'taxonomy' =&gt; 'category', 'field' =&gt; 'id', 'terms' =&gt; 'my_category_name, 'operator' =&gt; 'IN' ) ) ); $posts_main_group = get_posts($args); foreach($posts_main_group as $post) : ?&gt;&lt;div class="&lt;?php post_class(); ?&gt;" style="block;"&gt;&lt;?php the_title(); ?&gt;&lt;/div&gt;&lt;?php endforeach; //Second hidden query $args = array( 'post_type' =&gt; "post", 'tax_query' =&gt; array( 'relation' =&gt; 'AND', array( 'taxonomy' =&gt; 'category', 'field' =&gt; 'id', 'terms' =&gt; 'my_hidden_category_name_with_extra_posts, 'operator' =&gt; 'IN' ) ) ); $posts_extra_group = get_posts($args); foreach($posts_extra_group as $post) : ?&gt;&lt;div class="&lt;?php post_class(); ?&gt;" style="display:none;"&gt;&lt;?php the_title(); ?&gt;&lt;/div&gt;&lt;?php endforeach; </code></pre> <p>This way, you can target the hidden divs with jquery and add them - now that they exist on the page.</p> <p>Also note, I did the CSS inline for simplicity's sake in the example - but you should use a stylesheet to do that if possible.</p>
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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