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The official jQuery user interface library.
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build Tests: Stop testing against core 1.10.1 on testswarm
demos Slider: Remove horizontal scrollbar demo from index it was removed
external Tests: Add custom build of core to tests
tests Spinner: Deprecate _uiSpinnerHtml and _buttonHtml extension points
themes/base Selectmenu: Support `width: false` and default to 14em
ui Dialog: Fix removal of event listener for modal dialogs
.csslintrc Use .csslintrc instead of inlining rules in the Gruntfile.
.editorconfig Exempt external directory from .editorconfig rules
.gitattributes Build: Force LF for JS source files
.gitignore Build: Update grunt-compare-size to latest, add it's .sizecache.json …
.jscsrc Build: Update jscs and fix some code style issues
.jshintrc Build: Add demos to jscs and jshint
.mailmap Build: Upgrade to grunt-git-authors 2.0.0 and add update-authors task
.travis.yml travis: Remove node 0.8, add node 0.10
AUTHORS.txt Build: Upgrade to grunt-git-authors 2.0.0 and add update-authors task Docs: Clarify PHP Usage
Gruntfile.js Build: Add demos to jscs and jshint
LICENSE.txt Build: Remove dates from copyright notice README: Fix typo
bower.json Build: Upgrade to jQuery 1.11.3
package.json Build: Update the licenses attribute to singular license

jQuery UI - Interactions and Widgets for the web

jQuery UI is a curated set of user interface interactions, effects, widgets, and themes built on top of jQuery. Whether you're building highly interactive web applications, or you just need to add a date picker to a form control, jQuery UI is the perfect choice.

If you want to use jQuery UI, go to to get started, for demos, for API documentation, or the Using jQuery UI Forum for discussions and questions.

If you want to report a bug/issue, please visit

If you are interested in helping develop jQuery UI, you are in the right place. To discuss development with team members and the community, visit the Developing jQuery UI Forum or #jqueryui-dev on

For Contributors

If you want to help and provide a patch for a bugfix or new feature, please take a few minutes and look at our Getting Involved guide. In particular check out the Coding standards and Commit Message Style Guide.

In general, fork the project, create a branch for a specific change and send a pull request for that branch. Don't mix unrelated changes. You can use the commit message as the description for the pull request.

For more information, see the contributing page.

Running the Unit Tests

Run the unit tests manually with appropriate browsers and any local web server. See our environment setup and information on running tests.

You can also run the unit tests inside phantomjs by setting up your environment.

Building jQuery UI

jQuery UI uses the Grunt build system.

To build jQuery UI, set up your environment and then run the following commands:

# Run the concat task to concatenate files
grunt concat

# There are many other tasks that can be run through Grunt.
# For a list of all tasks:
grunt --help
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