May you write me an express.js route that allows me to retrieve a specific element from a mongo db database?
system
kya aap mujhe ek express.jees maarg likh sakate hai jo mujhe mongo dibi database se ek vishisht tatv ko punah praapt karne kii anumati detaa he?
user
nimna code ek Express.js sarwar ko ek MongoDB database se "../database/connection" ke madhyam se jodta he or ek adwitiya idi ke aadhaar par database se ek vishisht tatv kii punarprapti ke liye anumati detaa he.

const express = aavashyaktaa ("express");
const theroutes = express.router ();
const dbo = aavashyaktaa ("../ database/conection");
 
const objectid = aavashyaktaa ("mongodb"). objectId;
Theroutes.route ("/pareekshan/: idi"). get (fnction (req, res) {
 Db_connect = dbo.getDB () ko den;
 MyQuery = {_id: objectid (req.params.id)} ko den;
 DB_CONNECT
   .Collection ("sangrah")
   .findone (myquery, fnction (galat, parinaam) {
     if (galat) thro er;
     Res.json (parinaam);
   });
});
assistant
<|system|>
</s>
<|user|>
kya aap mujhe ek express.jees maarg likh sakate hai jo mujhe mongo dibi database se ek vishisht tatv ko punah praapt karne kii anumati detaa he?</s>
<|assistant|>
nimna code ek Express.js sarwar ko ek MongoDB database se "../database/connection" ke madhyam se jodta he or ek adwitiya idi ke aadhaar par database se ek vishisht tatv kii punarprapti ke liye anumati detaa he.

const express = aavashyaktaa ("express");
const theroutes = express.router ();
const dbo = aavashyaktaa ("../ database/conection");
 
const objectid = aavashyaktaa ("mongodb"). objectId;
Theroutes.route ("/pareekshan/: idi"). get (fnction (req, res) {
 Db_connect = dbo.getDB () ko den;
 MyQuery = {_id: objectid (req.params.id)} ko den;
 DB_CONNECT
   .Collection ("sangrah")
   .findone (myquery, fnction (galat, parinaam) {
     if (galat) thro er;
     Res.json (parinaam);
   });
});</s>
