title: Increment a number inside a div?
body: <p>i have this</p>
  
  <p><code>&lt;div class="likes"&gt;13&lt;/div&gt;</code></p>
  
  <p>and I want to increment this number by +1 when I click a button</p>
  
  <p>How can I do that with jQuery?</p>
  
  <pre><code>$('btn').click(function() {
     $('.likes').text();
  });
  </code></pre>