Available Libraries
AngularJS
Chrome Frame
Dojo
Ext Core
jQuery
jQuery UI
MooTools
Prototype
script_aculo_us
SWFObject
WebFont Loader

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AngularJS
snippet: <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.6/angular.min.js"></script>
site: http://angularjs.org
stable versions: 1.0,6, 1.0.5, 1.0.4, 1.0.3, 1.0.2, 1.0.1
unstable versions: 1.1.4, 1.1.3
Chrome Frame
snippet: <script src="//ajax.googleapis.com/ajax/libs/chrome-frame/1.0.3/CFInstall.min.js"></script>
site: https://developers.google.com/chrome/chrome-frame/
versions: 1.0.3, 1.0.2, 1.0.1, 1.0.0
Dojo
snippet: <script src="//ajax.googleapis.com/ajax/libs/dojo/1.9.0/dojo/dojo.js"></script>
site: http://dojotoolkit.org/
versions: 1.9.0, 1.8.4, 1.8.3, 1.8.2, 1.8.1, 1.8.0, 1.7.4, 1.7.3, 1.7.2, 1.7.1, 1.7.0, 1.6.1, 1.6.0, 1.5.2, 1.5.1, 1.5.0, 1.4.4, 1.4.3, 1.4.1, 1.4.0, 1.3.2, 1.3.1, 1.3.0, 1.2.3, 1.2.0, 1.1.1
Ext Core
snippet: <script src="//ajax.googleapis.com/ajax/libs/ext-core/3.1.0/ext-core.js"></script>
site: http://www.sencha.com/products/extjs/
versions: 3.1.0, 3.0.0
jQuery
snippet: <script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.0/jquery.min.js"></script>
site: http://jquery.com/
versions: 2.0.0, 1.9.1, 1.9.0, 1.8.3, 1.8.2, 1.8.1, 1.8.0, 1.7.2, 1.7.1, 1.7.0, 1.6.4, 1.6.3, 1.6.2, 1.6.1, 1.6.0, 1.5.2, 1.5.1, 1.5.0, 1.4.4, 1.4.3, 1.4.2, 1.4.1, 1.4.0, 1.3.2, 1.3.1, 1.3.0, 1.2.6, 1.2.3
note: 1.2.5 and 1.2.4 are not hosted due to their short and unstable lives in the wild.
jQuery UI
snippet: <script src="//ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/jquery-ui.min.js"></script>
site: http://jqueryui.com/
versions: 1.10.3, 1.10.2, 1.10.1, 1.10.0, 1.9.2, 1.9.1, 1.9.0, 1.8.24, 1.8.23, 1.8.22, 1.8.21, 1.8.20, 1.8.19, 1.8.18, 1.8.17, 1.8.16, 1.8.15, 1.8.14, 1.8.13, 1.8.12, 1.8.11, 1.8.10, 1.8.9, 1.8.8, 1.8.7, 1.8.6, 1.8.5, 1.8.4, 1.8.2, 1.8.1, 1.8.0, 1.7.3, 1.7.2, 1.7.1, 1.7.0, 1.6.0, 1.5.3, 1.5.2
note: This library depends on jQuery. You must also load jQuery before loading this module. Version 1.8.3 is not hosted due to its short life, and the alias 1.8.3 actually loads 1.8.4.
MooTools
snippet: <script src="//ajax.googleapis.com/ajax/libs/mootools/1.4.5/mootools-yui-compressed.js"></script>
site: http://mootools.net/
versions: 1.4.5, 1.4.4, 1.4.3, 1.4.2, 1.4.1, 1.4.0, 1.3.2, 1.3.1, 1.3.0, 1.2.5, 1.2.4, 1.2.3, 1.2.2, 1.2.1, 1.1.2, 1.1.1
Prototype
snippet: <script src="//ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js"></script>
site: http://prototypejs.org/
versions: 1.7.1.0, 1.7.0.0, 1.6.1.0, 1.6.0.3, 1.6.0.2
script.aculo.us
snippet: <script src="//ajax.googleapis.com/ajax/libs/scriptaculous/1.9.0/scriptaculous.js"></script>
site: http://script.aculo.us/
versions: 1.9.0, 1.8.3, 1.8.2, 1.8.1
note: This library depends on Prototype. Before loading this module, you must load Prototype.
SWFObject
snippet: <script src="//ajax.googleapis.com/ajax/libs/swfobject/2.2/swfobject.js"></script>
site: http://code.google.com/p/swfobject/
versions: 2.2, 2.1
WebFont Loader
snippet: <script src="//ajax.googleapis.com/ajax/libs/webfont/1.4.2/webfont.js"></script>
site: https://developers.google.com/webfonts/docs/webfont_loader
versions: 1.4.2, 1.3.0, 1.1.2, 1.1.1, 1.1.0, 1.0.31, 1.0.30, 1.0.29, 1.0.28, 1.0.27, 1.0.26, 1.0.25, 1.0.24, 1.0.23, 1.0.22, 1.0.21, 1.0.19, 1.0.18, 1.0.17, 1.0.16, 1.0.15, 1.0.14, 1.0.13, 1.0.12, 1.0.11, 1.0.10, 1.0.9, 1.0.6, 1.0.5, 1.0.4, 1.0.3, 1.0.2, 1.0.1, 1.0.0