javascript - If a request hit to my socket at '/' route this function gets executed is it posiible to execute this code async? -

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exports.check= function(fn){

process.nexttick(function(){ while (true) {     settimeout(function(){iconsole.log('what');fn(1)},15000)     console.log('ok') } })

}

var express = require('express') , http = require('http') , path = require('path');  var app = express(); tt=require('./tt') app.get('/test',function(req,res){  tt.check(function(err,data){     console.log(err)     console.log(data)     if(err){res.status(500).json({error : err})}     else{res.send(data)} }) })  , check function defined in question.

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