4. How do I open a new window to display the submission result after submitting a form?
If you have a mailing list service on your site, every time the visitors subscribe and press the subscription button. Because the mailing list requires subscriptions, this service is mostly available, so the subscription determination page will connect to the service provider's page. This sometimes takes the visitor to leave the site. You can set the code setting below, let the visitors click the subscription button, open a new window display subscription determined.
