title: programmatically click an input button in another web page?
body: <p>I know there have been several similar questions, but I haven't seen an answer to my specific need:  Is there a way to click a button in a separately launched web page?  For example, I launch another web page via:</p>
  
  <ul>
  <li><code>&lt;a href="x" target="y"&gt;</code> or  </li>
  <li><code>window.open()</code></li>
  </ul>
  
  <p>Can I then click an input button in that launched web page programmatically?</p>