The core JavaScriptStack has a number of entries:
requirejs The RequireJS AMD JavaScript library
scriptaculous.js, effects.js Optional JavaScript libraries in compatibility mode (see
Trait.SCRIPTACULOUS
)
t53-compatibility.js Optional JavaScript library (see
Trait.INITIALIZERS
)
underscore-library, underscore-module
The Underscore JavaScript library, and the shim that allows underscore to be injected
t5/core/init Optional module related to t53-compatibility.js
jquery-library The jQuery library
jquery-noconflict Switches jQuery to no-conflict mode (only present when the infrastructure is "prototype").