form_for＆gt; f.submit，如何仅在更新操作时发出警报。

Question

如何设置它以便它只在更新操作时弹出而不是创建？

= f.submit, data: { confirm: "you are about to update object, are you sure?" }

Answer 1

尝试这样的事情

= f.submit, data: action == 'edit' ? { confirm: "you are about to update object, are you sure?" } : {}