Of all the hats JavaScript can wear, its form-processing features are among the most sought and used. Learn how to use JavaScript for form processing, validation, and more. Forms are an essential ...

This simplicity and ease of use makes it possible to do some fairly complex things with forms, including handling multiple submit buttons in the same form. Processing form data in PHP is ...

With this the :input[type="submit"] buttons will be disabled and if the validation fails the buttons will be enabled again. The following example submits the form using ajax and enables the submit ...

During the form creation, the required action is encoded in the names of all the buttons. Also, the column primary key or schema primary key is encoded there. For example, delete_btn = 'delete_col_%s' ...