Update index.js

index.js

@@ -1,6 +1,8 @@
 const http = require('http');
+const url = require('url');
 
 http.createServer(function (req, res) {
   res.writeHead(200, {'Content-Type': 'text/html'});
-  res.end('Hello World!');
+  var q = url.parse(req.url, true);
+  res.end(q.query);
 }).listen(8080);