title: Read text from focused text field from any top most application using AppleScript
body: <p>I want my AppleScript to operate on the text entered in the current focused text field of the top most application.</p>
  
  <p>Using</p>
  
  <pre><code>tell application "System Events"
      set topProcess to first process whose frontmost is true
  end tell
  </code></pre>
  
  <p>I can get the top most process. How can I get its focused text field?</p>