YUI is a free, open source JavaScript and CSS framework for building richly interactive web applications. YUI is provided under a BSD license and is available on GitHub for forking and contribution.
This is the active working source tree for YUI 3. It contains work in progress toward the next YUI 3 release and may be unstable.
We encourage you to use the latest source for evaluation purposes, testing new features and bug fixes, and to provide feedback on new functionality. Please refer to the "Latest Production Release" link above if you're looking for the latest stable release of YUI recommended for production use.
The YUI source tree includes the following directories:
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build: Built YUI source files. The built files are generated at development time from the contents of thesrcdirectory. The build step generates debug files (unminified and with full comments and logging), raw files (unminified, but without debug logging), and minified files (suitable for production deployment and use). -
srcRaw unbuilt source code (JavaScript, CSS, image assets, ActionScript files, etc.) for the library. Beginning with YUI 3.4.0, thesrcdirectory also contains all module-specific documentation, tests and examples. All modifications to the library and its documentation should take place in this directory.
The individual component directories under the src directory contain Ant
build files (build.xml and others) which can be used to build individual
modules using the YUI Builder. The YUI Builder is part of the "builder" project,
also available on GitHub at https://github.com/yui/builder
The README file in the componentbuild directory of the Builder project
covers the installation and use of the build tool.