ajax load more post js

$(document).ready(function() {
    blog_post.ajax_load_more();
});



var blog_post = {
ajax_load_more: function(){
      var ppp = 9; // Post per page
      // var cat = 8;
      var pageNumber = 1;


      function load_posts(){
          pageNumber++;
          var str = '&pageNumber=' + pageNumber + '&ppp=' + ppp + '&action=more_post_ajax';
          $.ajax({
              type: "POST",
              dataType: "html",
              url: immAjax.ajaxurl,
              data: str,
              success: function(data){
                  var $data = $(data);

                  if($data.length){
                      $("#blog-all-item").append($data);
                      $("#more_posts").attr("disabled",false);
                  }
              },
              error : function(jqXHR, textStatus, errorThrown) {
                  $loader.html(jqXHR + " :: " + textStatus + " :: " + errorThrown);
              }

          });
          return false;
      }


      $("#more_posts").on("click",function(){ // When btn is pressed.
          $("#more_posts").attr("disabled",true); // Disable the button, temp.
          load_posts();
      });
    },

};