How to add Ajax to this Pagination i made?

To do this, you just need to make one ajax request in javascript.

Here is a step-by-step solution.

1. Add click handler in javascript

2. When click send ajax request to pagination page

3. Replace an element with “.blog-items” selector on current page from a new page

jQuery(document.body).on('click', '#pagination a', function (event) {
   var linkElement = jQuery(event.currentTarget);

   jQuery.ajax(linkElement.attr('href')).done(function (newPageHTML) {

      jQuery('.blog-items').replaceWith(
          jQuery(newPageHTML).find('.blog-items')
      );

});