Rails check a form is edited and let user confirm page redirection or close -

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Rails check a form is edited and let user confirm page redirection or close -

form posting mutual operation on web site, , improve user experience, need prevent user mistaken close window or click wrong link, page :)

so there standard way or gem in rails?

var edited = false; $('#formid :input').change(function() { if(!edited) { edited = true; } }); window.onbeforeunload = preventuser(); function preventuser() { if(edited) { alert("are sure?"); } }

ruby-on-rails

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