Just install and activate and all your Express forms are now ajaxed.
Enhance your front-end Express forms with Ajax. No more page reloads on submit, badly placed messages and hair-pulling frustration.
Ajax for Express forms:
Are you using Magic tabs by @johntheFish? If you need a multi-step Express form, Ajax for Express Forms and Magic Tabs work flawlessly together with a simple bit of code. Find a quick explanation in the Magic Tabs Documentation.
Credit: thank you so much to @mlocati for graciously letting me steal some of his code. And thank you to @johntheFish whose input always ends up being great advice.