how to add a new variable to this ajax script through post -


i need able send value php script variable called $topid needs send id getdata.php script tried like

$(document).ready(function(){      // load more data     $('.load-more').click(function(){         var topid = number($('#topid').val());         var row = number($('#row').val());         var allcount = number($('#all').val());         row = row + 3;          if(row <= allcount){             $("#row").val(row);              $.ajax({                 url: 'getdata.php',                 type: 'post',                 data: {row:row},                 beforesend:function(){                     $(".load-more").text("loading...");                 },                 success: function(response){                      // setting little delay while displaying new content                     settimeout(function() {                         // appending posts after last post class="post"                         $(".post:last").after(response).show().fadein("slow");                          var rowno = row + 3;                          // checking row value greater allcount or not                         if(rowno > allcount){                              // change text , background                             $('.load-more').text("hide");                             $('.load-more').css("background","darkorchid");                         }else{                             $(".load-more").text("load more");                         }                     }, 2000);               }         });     }else{         $('.load-more').text("loading...");          // setting little delay while removing contents         settimeout(function() {              // when row greater allcount remove class='post' element after 3 element             $('.post:nth-child(3)').nextall('.post').remove().fadein("slow");              // reset value of row             $("#row").val(0);              // change text , background             $('.load-more').text("load more");             $('.load-more').css("background","#15a9ce");          }, 2000);       }  });

});

but somehow not seem working need id gets sent getdata.php script , through post $topid = $_post['topid '];

if need sent topid getdata change

data: {row:row}

into like

data: {topid : topid}

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