title: How can I set a Global Variable from within a function
body: <p>How can I set a Global Variable from within a function?</p>
  
  <pre><code>$(document).ready(function() {
      var option = '';
  
      $("[name=select_option_selected]").change(function() { 
          var option = $(this).val();
          alert(option); // Example: Foo  
      });
  
      alert(option); // Need it to alert Foo from the above change function    
  });
  </code></pre>