Download the async module in nodeJs Project?
npm install async --save
Inculude the module in NodeJS?
async= require('async');
Following are code snippet example which demostrate, how to update the listing?
app.get("get_chat_messages", function(req, res) { var vid = req.query.vid; //Get the records from mongoose AjaxChatMessage.find({vid: vid}, function(err, items) { //initalize vars var index var results={} //include the module async= require('async'); //iterate records async.each(items, function(item, callback){ index=items.indexOf(item); results[index]={}; results[index].text=item.text; results[index].vid=item.vid; results[index].user_display_name=item.user_display_name; results[index].id=item.id; results[index].photo=item.user.photo; results[index].logintype=item.user.logintype; if((items.indexOf(item)+1)==items.length){ res.send(results); } }); }).sort({id: 1}).populate('user'); }