title: How do I choose a random value from an array with JavaScript?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/4550505/javascript-getting-random-value-from-an-array">JavaScript: Getting random value from an array</a>  </p>
  </blockquote>
  
  
  
  <p>I have an external js with the following line:</p>
  
  <pre><code>var postmessage = "hi my favorite site is http://google.com";
  </code></pre>
  
  <p>but is there a way to pick a site a random from an array so like this</p>
  
  <pre><code>var postmessage = "hi my favorite site is +'random'";
  
  random= http://google.com, http://yahoo.com, http://msn.com, http://apple.com
  </code></pre>
  
  <p>how do i make it work?</p>