title: Why is the text in this button not toggling back?
body: <p>I'll try and make it easier to help on this one.</p>
  
  <p>Here is the HTML:</p>
  
  <pre><code>&lt;button class="btn" id="follow-button"&gt;&lt;i class="fa fa-twitter" aria-hidden="true"&gt;&lt;/i&gt; Follow
    &lt;/button&gt;
  </code></pre>
  
  <p>I want the button to change from saying "Follow" to "Following" when clicked. And when you click it while it says "Following" I want it to switch to "Follow". </p>
  
  <p>How is this approached with JS?</p>