Unless otherwise necessary (such as mobile development), the GitHub javascript codebase is based off jQuery. You can safely assume it will be included on every page.
- All jquery plugins should be prefixed with jquery, such as
jquery.facebox
- All github-specific jquery plugins should be prefixed with jquery.github. Like
jquery.github.repo_list.js
- All page-specific files (that only run on ONE page) should be prefixed with page.
page.billing.js