node js access query string parameters code example

Example 1: expressjs query params

// GET /search?q=tobi+ferret
console.dir(req.query.q)
// => 'tobi ferret'

// GET /shoes?order=desc&shoe[color]=blue&shoe[type]=converse
console.dir(req.query.order)
// => 'desc'

console.dir(req.query.shoe.color)
// => 'blue'

console.dir(req.query.shoe.type)
// => 'converse'

// GET /shoes?color[]=blue&color[]=black&color[]=red
console.dir(req.query.color)
// => ['blue', 'black', 'red']

Example 2: node js http request get parameters

const http = require('http');
const url = require('url');

http.createServer(function (req, res) {
  const queryObject = url.parse(req.url,true).query;
  console.log(queryObject);

  res.writeHead(200, {'Content-Type': 'text/html'});
  res.end('Feel free to add query parameters to the end of the url');
}).listen(8080);