YUI Core

Provides core YUI functionality, including module registration and usage, language/array/object utilities, browser detection, and dynamic loading of script and css files.

The yui module is a rollup of yui-base (the core module registration and sandbox system, plus utilities), and the following optional submodules:

• yui-base: The Modules required to make YUI run
• loader: Provides dynamic module loading.

yui-base contains:

• yui-core: The Modules required to make YUI run
• The module registration system (YUI.add() and YUI().use()).
• Core YUI utilities such as cached(), merge() and mix().
• Lang: Language utilities, type checking, etc.
• Object: Object manipulation and iteration utilities.
• Array: Array manipulation and iteration utilities.
• get: Provides dynamic loading of JavaScript and CSS
• yui-log: Adds support for Y.log() and friends.
• yui-later: An abstraction around setTimeout and setInterval.
• intl-base: Provides dynamic loading of language packs.

yui-core contains:

• The module registration system (YUI.add() and YUI().use()).
• Core YUI utilities such as cached(), merge() and mix().
• Lang: Language utilities, type checking, etc.
• Object: Object manipulation and iteration utilities.
• Array: Array manipulation and iteration utilities.

NOTE As of 3.4.0PR2 yui-throttle is not in the core yui package, it’s a standalone module.