title: How to get all "option" values in "select" by Jquery?
body: <p>Does anyone know how can I get all values in the select by Jquery?</p>
  
  <p>Example:</p>
  
  <pre><code>&lt;select name="group_select" id="group_select"&gt;
      &lt;option value="a"&gt;A&lt;/option&gt;
      &lt;option value="b"&gt;B&lt;/option&gt;
      &lt;option value="c"&gt;C&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>Which I want to get all option values (a,b and c) from select (without selected any option) by using jquery</p>