Back
Syntax
Study
Editor
Mode:
HTML
CSS
JavaScript
PHP
Reset
Run »
HTML / CSS / JS
// Store original values when form loads $("form :input").each(function() { $(this).data("original", $(this).val()); }); // Cancel: restore originals $("#cancel").on("click", function() { $("form :input").each(function() { $(this).val($(this).data("original")); }); }); // Check if changed function hasChanges() { return $("form :input").toArray().some(el => $(el).val() !== $(el).data("original") ); }
Result
Open