Use more JavaScript
More user interfaces are served through modern browsers
The page refreshes the entire page as little as possible during the service process
So now the website has a lot of code running on the client! A huge code base needs to be managed in an orderly manner, and the module system "Module system" provides the ability to divide the code base into modules "Module"
Factions of the module system
Definition of modules and module dependencies There are several standards for methods