Add multiple numbers

Hello Friends I am trying to add numbers in a cell 1000 but comes to adding to row 189 and I have no idea d because it does, someone could help me?
This is my code
Greetings and thank you very much

"fnDrawCallback": function() {
var saldomas=0;
						var saldomenos=0;
						
					
			$('#example tbody tr').each(function()
						{
									
						var poso = oTable.fnGetPosition(this); 
						var ido = oTable.fnGetData(poso)[8];
						var valor = oTable.fnGetData(poso)[9];
						
						if(ido==1 || ido==2)
						{
							saldomas +=parseFloat(valor);
						}
						else
						{
							saldomenos +=parseFloat(valor);
						}	
						
						})
					
							var saldo=saldomas-saldomenos
}