JetFormBuilder Do something on form submit

code.html

<script>
	document.addEventListener( 'DOMContentLoaded', function() {
		
		const {
			addAction,
		} = window.JetPlugins.hooks;
		
		addAction( 'jet.fb.observe.after', 'example/onSubmit', init );
	
		function init( observable ) {
	
			//save form id to status ReactiveVar
			observable.form.submitter.status.formId = observable.form.getFormId();
			
			observable.form.submitter.status.watch( onFormSubmit );
			
		}
		
		function onFormSubmit() {
			//log status and form id to console
			console.log( this.current, this.formId );
		}
	} );
</script>

Set the jetnegine visibility conditions on the form.