directive in module ng
Enables binding angular expressions to onsubmit events. Additionally it prevents the default action (which for form means sending the request to the server and reloading the current page), but only if the form does not contain action, data-action, or x-action attributes. Warning: Be careful not to cause "double-submission" by using both the ngClick and ngSubmit handlers together. See the form directive documentation for a detailed discussion of when ngSubmit may be