jQuery(function ($) { // use jQuery code inside this to avoid "$ is not defined" error $('.misha_loadmore').click(function () { var button = $(this), data = { 'action': 'loadmore', 'query': misha_loadmore_params.posts, // that's how we get params from wp_localize_script() function 'page': misha_loadmore_params.current_page }; button.trigger("moreload-start") console.log(misha_loadmore_params) $.ajax({ // you can also use $.post here url: misha_loadmore_params.ajaxurl, // AJAX handler data: data, type: 'POST', beforeSend: function (xhr) { button.html('

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'); // change the button text, you can also add a preloader image }, success: function (data) { if (data) { button.html('Tovább').before(data); // insert new posts misha_loadmore_params.current_page++; button.trigger("moreload-finish") if (misha_loadmore_params.current_page -1 == misha_loadmore_params.max_page) button.remove(); // if last page, remove the button // you can also fire the "post-load" event here if you use a plugin that requires it // $( document.body ).trigger( 'post-load' ); } else { button.remove(); // if no data, remove the button as well } } }); }); });