如何保持浏览器上的表单条件前进和后退按钮单击

Question

I am using grails 2.4.2 version which uses HTML 5. I have some form element based on some condition. Such as District, Thana. When I select the district then I am hiding thana and when selecting thana then hiding district. it work fine. But when I click the go back button of the browser then it shows both the field. I want to keep the form element condition as I expected when a user click the go back button of the browser. I have no idea how to implement it. Can anyone please help me on this?

Answer 1

将所有字段存储在会话的localStorage中，然后在加载页面时，使用JavaScript从localStorage加载所有内容。

Answer 2

1. save state when location changed
2. use state when page loaded