http://localhost:1337/login?json={username:rv,password:password}

SyntaxError: Unexpected token u
at Object.parse (native)
at C:UserssummerDesktopnodejspractise3.njs:14:17
at Layer.handle [as handle_request] (C:UserssummerDesktopnodejsnode_modulesexpresslibrouterlayer.js:95:5)
at next (C:UserssummerDesktopnodejsnode_modulesexpresslibrouterroute.js:131:13)
at Route.dispatch (C:UserssummerDesktopnodejsnode_modulesexpresslibrouterroute.js:112:3)
at Layer.handle [as handle_request] (C:UserssummerDesktopnodejsnode_modulesexpresslibrouterlayer.js:95:5)
at C:UserssummerDesktopnodejsnode_modulesexpresslibrouterindex.js:277:22
at Function.process_params (C:UserssummerDesktopnodejsnode_modulesexpresslibrouterindex.js:330:12)
at next (C:UserssummerDesktopnodejsnode_modulesexpresslibrouterindex.js:271:10)
at jsonParser (C:UserssummerDesktopnodejsnode_modulesbody-parserlibtypesjson.js:100:40)

var express = require('express');
var http = require('http');
var app = express();
var bodyparser = require('body-parser');

app.use(bodyparser.json());

app.get('/login',function(req,res,next){
    var content = '';
    var data = '';
    data = req.query.json;
    content = JSON.parse(data);        //I am getting the error here
    res.writeHead(200,{"Content-type":"text/plain"});
    res.write(data);
    res.end();
});

http.createServer(app).listen(1337);
console.log("Server Started successfully at Port 1337");

data = req.query.json;
content = JSON.parse(data);        //I am getting the error here

data = req.query.json;
var stringify = JSON.stringify(data)
content = JSON.parse(stringify);

{"username":rv,"password":password}

var jsonObj = eval('(' + YOUR_JSON_STRING + ')');