Uisng getJSON on an ERB page on the same server

file.erb

<section>

  <h2>Thanks for visiting!</h2>
  
  <p class='stuff'>
  
  </p>

</section>

<script type='text/javascript'>
  
  // url to same path on server...
  // so... '/api/stuff'
  // maps to... get '/api/stuff' do....
  $.getJSON('/api/stuff', function(data) {
  
    // data should be data from server
    // {name: 'James', age: '31'}
    
    $('.stuff).append(data.name + ' is ' + data.age + ' years old');
  
  });

</script>