How to install the choice of languages on the site?
As a layout designer, you don't need to think about how the language selection mechanism will work. If you have a layout for this menu or whatever. Just put it up and gave it away, the progers will figure it out on their own.
For SPA sites, some options, for standard sites, others. There is no single solution, it depends on the siteXander Wallace
To place the code, please use CodePen or similar tool. Thanks you!