title: Check if Function Exists before Calling?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/5108832/jquery-test-for-whether-an-object-has-a-method">jQuery test for whether an object has a method?</a>  </p>
  </blockquote>
  
  
  
  <p>I want to set if Function Exists before Calling javascript can you help me how do this and apply on this script </p>
  
  <pre><code>$(document).ready(function() {
     $(".cs-text-cut").lettering('words');
  });
  </code></pre>