Are You Sure? – a dirty forms check plugin
Chris Dance (codedance) at PaperCut Software
Are-you-sure is simple light-weight dirty forms JQuery Plugin for modern browsers. It helps prevent users from loosing unsaved form changes by prompting the user to save/submit. It's dependency free and designed for modern browsers... just the features you need and nothing more! See the project page and demo for usage and examples.
Nick Kugaevsky and almighty contributors
jQuery plugin to save form fields values to Local Storage via HMTL5 Web Storage API. Lost connections, crashed browsers, broken validations – all these shit loose forms data you've filled in with love and care. Phoenix keeps bad things away from forms. It saves form fields values to your browser Local Storage using HTML5 Web Storage API.