title: Compare String in flex
body: <p>I want to check whether string is empty or not </p>
  
  <p>when i create <code>object=Shared.getLocal("abc");</code></p>
  
  <p>it assigns undefinded to the object at the first time </p>
  
  <pre><code> if(object.data.name=="undefnied") {
           // is this correct   
   }   
  </code></pre>