title: req.body returns empty object when posting using form data in nodejs express
body: <p>I'm doing a post request to '/' with a simple text input and expecting to see the data entered in req.body.course. When console logging req.body.course, I am getting an empty object back. </p>
  
  <p><strong>HTML</strong></p>
  
  <pre><code>&lt;html&gt;
      &lt;head&gt;&lt;title&gt;New Course&lt;/title&gt;&lt;/head&gt;
      &lt;body&gt;
        &lt;form id="myform" action="/" method="post"&gt;
          &lt;input type="text" name="course" id="mytext" /&gt;
          &lt;input type="submit" id="mysubmit" /&gt;
        &lt;/form&gt;
      &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p><strong>SERVER</strong></p>
  
  <pre><code>var express = require('express');
  var bodyParser = require('body-parser');
  
  var app = express()
  app.use(bodyParser.json())
  
  app.set('views', __dirname + '/views');
  app.engine('html', require('ejs').renderFile);
  app.set('view engine', 'html');
  
  app.post('/', function (req, res) {
      var course = req.body.course; 
      res.send(course);
  });
  
  app.get('/', function (req, res) {
      res.render('index');
  });
  
  app.listen(4000, function() {
      console.log("Server is listening on port", 4000);
  });
  </code></pre>
  
  <p><strong>OUTPUT OF REQ.BODY</strong></p>
  
  <pre><code>{}
  </code></pre>