Ruby on Rails：如何向submit_tag添加确认

Question

<%= submit_tag "Delete" , :confirm => 'Are you sure you want to delete the selected?' %>

不起作用。

我该怎么做？

Answer 1

它应该工作。很可能你没有包含必要的JavaScript文件。你的HTML头标记中有这样的东西吗？

<%= javascript_include_tag :defaults %>

Answer 2

尝试一下：

<%= submit_tag "Delete", data: { confirm: 'Are you sure you want to delete the selected?' }%>