html5 - 用localStorage做webapp的缓存，如何解决更新的问题？

Answer 1

Since the client can receive updates from your application, it is guaranteed to be online.
You can update the content in localstorage while updating the program

Answer 2

You can set a flag similar to version information in localstorage. Each time you connect to the Internet, you can use the flag to decide whether localstorage needs to be updated