JavaScript : เพิ่มลูกน้ำ (Comma) ให้ตัวเลขทำยังไงครับ ช่วยแนะนำที

$("#product").html("");
var data2 = datas.items;
						$.each(data2.item, function(i,pr) {
							$("#product").append("<div class=\"item-list\" ><a href=\"<? echo base_url();?>Product/product_detail?token="+pr.token+"\"><img id=\"img_"+pr.token+"\" src=\"<? echo base_url();?>assets/upload/images/"+pr.photo+"\" /></a><div class=\"item-info\"><h4><a href=\"<? echo base_url();?>Product/product_detail?token="+pr.token+"\">"+pr.pr_name+"</a></h4><h6 class=\"normal\">aaaaaa!!</h6></div><div class=\"item-tag\"><span class=\"tag type1\">bbbbbb</span></div><div class=\"item-price txt-discount\"><span class=\"nodc\">"+pr.price_nor+"bb</span><span class=\"price\" >"+((pr.disc_type==1)?(pr.price_nor-pr.disc_value):(pr.disc_type==2)?(pr.price_nor-(pr.price_nor*(pr.disc_value2/100))):pr.price_nor)+"</span>원</div></div>")
					});