You can use those JavaScript scripts to enhance Lizmap Web Client. Documentation about additionnal JavaScript is on docs.lizmap.com and the autogenerated documentation is on docs.3liz.org
You might have a README.md
inside the directory with more information and a demo.
Some JavaScript codes presented are self-sufficient while others are examples to help you create the functionality you want.
If you are developing a new feature, do not hesitate to let us know so that we can integrate it.