3
votes
3answers
461 views

When filling out a form to what extent should validation be done while the user is still typing?

I'm working on a registration form and it validates some parts while the user is still typing. For example, the username is being checked after each character is entered to see if it is available or ...
9
votes
2answers
842 views

Generic clientside form validation

I'm the author of the jQuery Form Validation plugin, which I started writing in 2006. Since then I've put quite some effort into improving the default interaction, without the developer using the ...