title: app.get - is there any difference between res.send vs return res.send
body: <p>I am new to node and express. I have seen app.get and app.post examples using both "res.send" and "return res.send". Are these the same? </p>
  
  <pre><code>var express = require('express');
  var app = express();
  
  app.get('/', function(req, res) {
    res.type('text/plain');
    res.send('i am a beautiful butterfly');
  });
  </code></pre>
  
  <p>or</p>
  
  <pre><code>var express = require('express');
  var app = express();
  
  app.get('/', function(req, res) {
    res.type('text/plain');
    return res.send('i am a beautiful butterfly');
  });
  </code></pre>