title: Input checked changes button class
body: <p>Looking to remove disable class from button and add enable class when the radio button is checked as well as 1 or more checkbox is checked.</p>
  
  <pre><code>&lt;div&gt;
      &lt;input name="select-customer" type="radio"&gt;btn 1
      &lt;input name="select-customer" type="radio"&gt;btn 2
  &lt;/div&gt;
  &lt;div&gt;    
      &lt;input type="checkbox" name="choice-selection"&gt;Choice 1
      &lt;input type="checkbox" name="choice-selection"&gt;Choice 2
      &lt;input type="checkbox" name="choice-selection"&gt;Choice 3
      &lt;input type="checkbox" name="choice-selection"&gt;Choice 4
  &lt;/div&gt;
  </code></pre>
  
  <p><a href="https://jsfiddle.net/dLyvo7d0/" rel="nofollow">https://jsfiddle.net/dLyvo7d0/</a></p>