title: How to refresh iframe parent page after a submit in the iframe?
body: <p>i have iframe inside a page, and this iframe contain a submit button which will do some function.</p>
  
  <p>What i want is: after the iframe submit finish, call the parent page to refresh.</p>
  
  <p>i know how to refresh it:</p>
  
  <pre><code>parent.location.reload();
  </code></pre>
  
  <p>But i don't know how to do that after submit finish.</p>