Adding JavaScript to a Specific WordPress Post or Page Using Code in the Footer

  1. Log in to your WordPress dashboard.
  2. Navigate to the "Appearance" section on the left-hand side and click on "Editor."
  3. Locate the "Theme Footer (footer.php)" file on the right-hand side and click on it.
  4. Find the closing tag in the footer.php file.
  5. Add your JavaScript code just above the closing tag.
  6. Click the "Update File" button to save your changes.