title: How to check if a radio button in each group is checked in jQuery?
body: <p>Multiple groups or radio buttons</p>
  
  <pre><code>&lt;h1&gt;Question 1&lt;/h1&gt;
  &lt;input type="radio" name="radio1" value="false" /&gt;
  &lt;input type="radio" name="radio1" value="true" /&gt; 
  
  &lt;h1&gt;Question 2&lt;/h1&gt;
  &lt;input type="radio" name="radio2" value="false" /&gt;
  &lt;input type="radio" name="radio2" value="true" /&gt;
  </code></pre>
  
  <p>How can I check in jQuery that a radio button in each group is checked?</p>
  
  <p>Thank you.</p>