title: How to place a constant symbol in an html field
body: <p>I have an html input field </p>
  
  <pre><code>&lt;input name="expiry" type="text" placeholder="MM/YY"/&gt;
  </code></pre>
  
  <p>I need to put a "/" so that if a user enters a value "06" ,it should be behind the "/" like "06/  " and after that when he enters the year "13",it should automatically be in the right side of the "/" like "06/13".I want the "/" to stay as constant and if the user fills the MM with a 2 digit the cursor should jumb into the right side of the "/" waiting for the next input.</p>