更新时间:2023-12-01 16:00:40
$(form_id).submit(function(){ //triggered when user submits form
var signed_in = check_if_user_is_signed_in(); //checking
if(signed_in){ //singed in
//Do stuff
return true; //submit form
} else{ //user not signed in
//Do stuff
return false; //prevent form from being submitted
}
})