title: How to change Textbox text dynamically (when user is typing) to XXXXX using JQuery
body: <p>Here textbox field is masked. When the user enters text, I want it to change to (XXX)-XX-XXXX dynamically (Without leaving focus of textbox).</p>
  
  <pre><code>     $("#textbox").mask("(999)-99-9999");
  </code></pre>