Ajax requests return data, processing in templates

/*AJAX requests return data, processing in templates*/functionQuerygameasset () {varnew_start_time=$ (' #new_start_time '). Val ();//Start Time    varnew_end_time=$ (' #new_end_time '). Val ();//End Time    if(!new_start_time| |!new_end_time) {Alert ("Time cannot be empty"); return false; } $.ajax ({URL:'/statisticsgame/settlementstatisticscount ', data:{//req_date:$ (' #datetimepicker1 '). Val (),New_start_time:new_start_time,//Start TimeNew_end_time:new_end_time,//End Timereq_game:$ ("#select_game1"). Select (). val (), get_select_platform:$ (' #select_platform '). Val (), Req_mode:search_mode}, type:' Post ', Cache:false, Async:true, DataType:' JSON ', Success:function(data) {if(data["req"]! = "Success") {Coverit (); }Else{Hidden_coverit (); }            $(". Asset_table_tr"). Remove (); if(data["req"] = = "Success"){                varTotal_bet = 0; varTotal_charge=0; varTotal_revenue=0; varTotal_prizes=0;  for(i = 0; i < data["Data"].length; ++i) {//For loop traversal data output                    varBet=number (data["Data"][i][' Total_bet ');//total flow of players                    varCharge=number (data["Data"][i][' total_tips ');//Total player Net loss                    varRevenue=number (data["Data"][i][' revenue ');//Jackpot Purchase Amount                    varPrizes=number (data["Data"][i][' prizes ');//Jackpot Winning Amount                    varDate = data["Data"][i]["_id"];//Date                    varSelect_platform_name = data["Data"][i]["Select_platform_name"];//Platform Name                    varText = ' <tr class= ' asset_table_tr ' ><td> ' +date + ' </td> '; Total_bet+=bet; Total_charge+=charge; Total_revenue+=revenue; Total_prizes+=Prizes; Text+ = ' <td> ' + select_platform_name + ' </td> '; Text+ = ' <td> ' + bet + ' </td> '; Text+ = ' <td> ' + bet + ' </td> '; Text+ = ' <td> ' + revenue + ' </td> '; Text+ = ' <td> ' + prizes + ' </td> '; Text+ = ' </tr> '; $("#asset_table"). append (text); }                /*Append data display After the end of the template data traversal*/                varText1; varStr= ' Total '; varStr2= ' \ '; Text1+ = ' <tr> '; Text1+ = ' <td> ' + str + ' </td> '; Text1+ = ' <td> ' + str2 + ' </td> '; Text1+ = ' <td> ' + Total_bet + ' </td> '; Text1+ = ' <td> ' + total_charge + ' </td> '; Text1+ = ' <td> ' + total_revenue + ' </td> '; Text1+ = ' <td> ' + total_prizes + ' </td> '; Text1+ = ' </tr> '; $("#asset_table"). Append (Text1); }Else{                varerror_message=data[' Error_message '];                alert (error_message); return false; }}, Error:function() {        }    });}

Ajax requests return data, processing in templates