1407 lines
		
	
	
		
			50 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
		
		
			
		
	
	
			1407 lines
		
	
	
		
			50 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
|  | /*! | ||
|  |  * Modernizr v2.8.3 | ||
|  |  * www.modernizr.com | ||
|  |  * | ||
|  |  * Copyright (c) Faruk Ates, Paul Irish, Alex Sexton | ||
|  |  * Available under the BSD and MIT licenses: www.modernizr.com/license/ | ||
|  |  */ | ||
|  | 
 | ||
|  | /* | ||
|  |  * Modernizr tests which native CSS3 and HTML5 features are available in | ||
|  |  * the current UA and makes the results available to you in two ways: | ||
|  |  * as properties on a global Modernizr object, and as classes on the | ||
|  |  * <html> element. This information allows you to progressively enhance | ||
|  |  * your pages with a granular level of control over the experience. | ||
|  |  * | ||
|  |  * Modernizr has an optional (not included) conditional resource loader | ||
|  |  * called Modernizr.load(), based on Yepnope.js (yepnopejs.com). | ||
|  |  * To get a build that includes Modernizr.load(), as well as choosing | ||
|  |  * which tests to include, go to www.modernizr.com/download/ | ||
|  |  * | ||
|  |  * Authors        Faruk Ates, Paul Irish, Alex Sexton | ||
|  |  * Contributors   Ryan Seddon, Ben Alman | ||
|  |  */ | ||
|  | 
 | ||
|  | window.Modernizr = (function( window, document, undefined ) { | ||
|  | 
 | ||
|  |     var version = '2.8.3', | ||
|  | 
 | ||
|  |     Modernizr = {}, | ||
|  | 
 | ||
|  |     /*>>cssclasses*/ | ||
|  |     // option for enabling the HTML classes to be added
 | ||
|  |     enableClasses = true, | ||
|  |     /*>>cssclasses*/ | ||
|  | 
 | ||
|  |     docElement = document.documentElement, | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Create our "modernizr" element that we do most feature tests on. | ||
|  |      */ | ||
|  |     mod = 'modernizr', | ||
|  |     modElem = document.createElement(mod), | ||
|  |     mStyle = modElem.style, | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Create the input element for various Web Forms feature tests. | ||
|  |      */ | ||
|  |     inputElem /*>>inputelem*/ = document.createElement('input') /*>>inputelem*/ , | ||
|  | 
 | ||
|  |     /*>>smile*/ | ||
|  |     smile = ':)', | ||
|  |     /*>>smile*/ | ||
|  | 
 | ||
|  |     toString = {}.toString, | ||
|  | 
 | ||
|  |     // TODO :: make the prefixes more granular
 | ||
|  |     /*>>prefixes*/ | ||
|  |     // List of property values to set for css tests. See ticket #21
 | ||
|  |     prefixes = ' -webkit- -moz- -o- -ms- '.split(' '), | ||
|  |     /*>>prefixes*/ | ||
|  | 
 | ||
|  |     /*>>domprefixes*/ | ||
|  |     // Following spec is to expose vendor-specific style properties as:
 | ||
|  |     //   elem.style.WebkitBorderRadius
 | ||
|  |     // and the following would be incorrect:
 | ||
|  |     //   elem.style.webkitBorderRadius
 | ||
|  | 
 | ||
|  |     // Webkit ghosts their properties in lowercase but Opera & Moz do not.
 | ||
|  |     // Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+
 | ||
|  |     //   erik.eae.net/archives/2008/03/10/21.48.10/
 | ||
|  | 
 | ||
|  |     // More here: github.com/Modernizr/Modernizr/issues/issue/21
 | ||
|  |     omPrefixes = 'Webkit Moz O ms', | ||
|  | 
 | ||
|  |     cssomPrefixes = omPrefixes.split(' '), | ||
|  | 
 | ||
|  |     domPrefixes = omPrefixes.toLowerCase().split(' '), | ||
|  |     /*>>domprefixes*/ | ||
|  | 
 | ||
|  |     /*>>ns*/ | ||
|  |     ns = {'svg': 'http://www.w3.org/2000/svg'}, | ||
|  |     /*>>ns*/ | ||
|  | 
 | ||
|  |     tests = {}, | ||
|  |     inputs = {}, | ||
|  |     attrs = {}, | ||
|  | 
 | ||
|  |     classes = [], | ||
|  | 
 | ||
|  |     slice = classes.slice, | ||
|  | 
 | ||
|  |     featureName, // used in testing loop
 | ||
|  | 
 | ||
|  | 
 | ||
|  |     /*>>teststyles*/ | ||
|  |     // Inject element with style element and some CSS rules
 | ||
|  |     injectElementWithStyles = function( rule, callback, nodes, testnames ) { | ||
|  | 
 | ||
|  |       var style, ret, node, docOverflow, | ||
|  |           div = document.createElement('div'), | ||
|  |           // After page load injecting a fake body doesn't work so check if body exists
 | ||
|  |           body = document.body, | ||
|  |           // IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it.
 | ||
|  |           fakeBody = body || document.createElement('body'); | ||
|  | 
 | ||
|  |       if ( parseInt(nodes, 10) ) { | ||
|  |           // In order not to give false positives we create a node for each test
 | ||
|  |           // This also allows the method to scale for unspecified uses
 | ||
|  |           while ( nodes-- ) { | ||
|  |               node = document.createElement('div'); | ||
|  |               node.id = testnames ? testnames[nodes] : mod + (nodes + 1); | ||
|  |               div.appendChild(node); | ||
|  |           } | ||
|  |       } | ||
|  | 
 | ||
|  |       // <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed
 | ||
|  |       // when injected with innerHTML. To get around this you need to prepend the 'NoScope' element
 | ||
|  |       // with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements.
 | ||
|  |       // msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx
 | ||
|  |       // Documents served as xml will throw if using ­ so use xml friendly encoded version. See issue #277
 | ||
|  |       style = ['­','<style id="s', mod, '">', rule, '</style>'].join(''); | ||
|  |       div.id = mod; | ||
|  |       // IE6 will false positive on some tests due to the style element inside the test div somehow interfering offsetHeight, so insert it into body or fakebody.
 | ||
|  |       // Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270
 | ||
|  |       (body ? div : fakeBody).innerHTML += style; | ||
|  |       fakeBody.appendChild(div); | ||
|  |       if ( !body ) { | ||
|  |           //avoid crashing IE8, if background image is used
 | ||
|  |           fakeBody.style.background = ''; | ||
|  |           //Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible
 | ||
|  |           fakeBody.style.overflow = 'hidden'; | ||
|  |           docOverflow = docElement.style.overflow; | ||
|  |           docElement.style.overflow = 'hidden'; | ||
|  |           docElement.appendChild(fakeBody); | ||
|  |       } | ||
|  | 
 | ||
|  |       ret = callback(div, rule); | ||
|  |       // If this is done after page load we don't want to remove the body so check if body exists
 | ||
|  |       if ( !body ) { | ||
|  |           fakeBody.parentNode.removeChild(fakeBody); | ||
|  |           docElement.style.overflow = docOverflow; | ||
|  |       } else { | ||
|  |           div.parentNode.removeChild(div); | ||
|  |       } | ||
|  | 
 | ||
|  |       return !!ret; | ||
|  | 
 | ||
|  |     }, | ||
|  |     /*>>teststyles*/ | ||
|  | 
 | ||
|  |     /*>>mq*/ | ||
|  |     // adapted from matchMedia polyfill
 | ||
|  |     // by Scott Jehl and Paul Irish
 | ||
|  |     // gist.github.com/786768
 | ||
|  |     testMediaQuery = function( mq ) { | ||
|  | 
 | ||
|  |       var matchMedia = window.matchMedia || window.msMatchMedia; | ||
|  |       if ( matchMedia ) { | ||
|  |         return matchMedia(mq) && matchMedia(mq).matches || false; | ||
|  |       } | ||
|  | 
 | ||
|  |       var bool; | ||
|  | 
 | ||
|  |       injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) { | ||
|  |         bool = (window.getComputedStyle ? | ||
|  |                   getComputedStyle(node, null) : | ||
|  |                   node.currentStyle)['position'] == 'absolute'; | ||
|  |       }); | ||
|  | 
 | ||
|  |       return bool; | ||
|  | 
 | ||
|  |      }, | ||
|  |      /*>>mq*/ | ||
|  | 
 | ||
|  | 
 | ||
|  |     /*>>hasevent*/ | ||
|  |     //
 | ||
|  |     // isEventSupported determines if a given element supports the given event
 | ||
|  |     // kangax.github.com/iseventsupported/
 | ||
|  |     //
 | ||
|  |     // The following results are known incorrects:
 | ||
|  |     //   Modernizr.hasEvent("webkitTransitionEnd", elem) // false negative
 | ||
|  |     //   Modernizr.hasEvent("textInput") // in Webkit. github.com/Modernizr/Modernizr/issues/333
 | ||
|  |     //   ...
 | ||
|  |     isEventSupported = (function() { | ||
|  | 
 | ||
|  |       var TAGNAMES = { | ||
|  |         'select': 'input', 'change': 'input', | ||
|  |         'submit': 'form', 'reset': 'form', | ||
|  |         'error': 'img', 'load': 'img', 'abort': 'img' | ||
|  |       }; | ||
|  | 
 | ||
|  |       function isEventSupported( eventName, element ) { | ||
|  | 
 | ||
|  |         element = element || document.createElement(TAGNAMES[eventName] || 'div'); | ||
|  |         eventName = 'on' + eventName; | ||
|  | 
 | ||
|  |         // When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those
 | ||
|  |         var isSupported = eventName in element; | ||
|  | 
 | ||
|  |         if ( !isSupported ) { | ||
|  |           // If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element
 | ||
|  |           if ( !element.setAttribute ) { | ||
|  |             element = document.createElement('div'); | ||
|  |           } | ||
|  |           if ( element.setAttribute && element.removeAttribute ) { | ||
|  |             element.setAttribute(eventName, ''); | ||
|  |             isSupported = is(element[eventName], 'function'); | ||
|  | 
 | ||
|  |             // If property was created, "remove it" (by setting value to `undefined`)
 | ||
|  |             if ( !is(element[eventName], 'undefined') ) { | ||
|  |               element[eventName] = undefined; | ||
|  |             } | ||
|  |             element.removeAttribute(eventName); | ||
|  |           } | ||
|  |         } | ||
|  | 
 | ||
|  |         element = null; | ||
|  |         return isSupported; | ||
|  |       } | ||
|  |       return isEventSupported; | ||
|  |     })(), | ||
|  |     /*>>hasevent*/ | ||
|  | 
 | ||
|  |     // TODO :: Add flag for hasownprop ? didn't last time
 | ||
|  | 
 | ||
|  |     // hasOwnProperty shim by kangax needed for Safari 2.0 support
 | ||
|  |     _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp; | ||
|  | 
 | ||
|  |     if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) { | ||
|  |       hasOwnProp = function (object, property) { | ||
|  |         return _hasOwnProperty.call(object, property); | ||
|  |       }; | ||
|  |     } | ||
|  |     else { | ||
|  |       hasOwnProp = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */ | ||
|  |         return ((property in object) && is(object.constructor.prototype[property], 'undefined')); | ||
|  |       }; | ||
|  |     } | ||
|  | 
 | ||
|  |     // Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js
 | ||
|  |     // es5.github.com/#x15.3.4.5
 | ||
|  | 
 | ||
|  |     if (!Function.prototype.bind) { | ||
|  |       Function.prototype.bind = function bind(that) { | ||
|  | 
 | ||
|  |         var target = this; | ||
|  | 
 | ||
|  |         if (typeof target != "function") { | ||
|  |             throw new TypeError(); | ||
|  |         } | ||
|  | 
 | ||
|  |         var args = slice.call(arguments, 1), | ||
|  |             bound = function () { | ||
|  | 
 | ||
|  |             if (this instanceof bound) { | ||
|  | 
 | ||
|  |               var F = function(){}; | ||
|  |               F.prototype = target.prototype; | ||
|  |               var self = new F(); | ||
|  | 
 | ||
|  |               var result = target.apply( | ||
|  |                   self, | ||
|  |                   args.concat(slice.call(arguments)) | ||
|  |               ); | ||
|  |               if (Object(result) === result) { | ||
|  |                   return result; | ||
|  |               } | ||
|  |               return self; | ||
|  | 
 | ||
|  |             } else { | ||
|  | 
 | ||
|  |               return target.apply( | ||
|  |                   that, | ||
|  |                   args.concat(slice.call(arguments)) | ||
|  |               ); | ||
|  | 
 | ||
|  |             } | ||
|  | 
 | ||
|  |         }; | ||
|  | 
 | ||
|  |         return bound; | ||
|  |       }; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * setCss applies given styles to the Modernizr DOM node. | ||
|  |      */ | ||
|  |     function setCss( str ) { | ||
|  |         mStyle.cssText = str; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * setCssAll extrapolates all vendor-specific css strings. | ||
|  |      */ | ||
|  |     function setCssAll( str1, str2 ) { | ||
|  |         return setCss(prefixes.join(str1 + ';') + ( str2 || '' )); | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * is returns a boolean for if typeof obj is exactly type. | ||
|  |      */ | ||
|  |     function is( obj, type ) { | ||
|  |         return typeof obj === type; | ||
|  |     } | ||
|  | 
 | ||
|  |     /** | ||
|  |      * contains returns a boolean for if substr is found within str. | ||
|  |      */ | ||
|  |     function contains( str, substr ) { | ||
|  |         return !!~('' + str).indexOf(substr); | ||
|  |     } | ||
|  | 
 | ||
|  |     /*>>testprop*/ | ||
|  | 
 | ||
|  |     // testProps is a generic CSS / DOM property test.
 | ||
|  | 
 | ||
|  |     // In testing support for a given CSS property, it's legit to test:
 | ||
|  |     //    `elem.style[styleName] !== undefined`
 | ||
|  |     // If the property is supported it will return an empty string,
 | ||
|  |     // if unsupported it will return undefined.
 | ||
|  | 
 | ||
|  |     // We'll take advantage of this quick test and skip setting a style
 | ||
|  |     // on our modernizr element, but instead just testing undefined vs
 | ||
|  |     // empty string.
 | ||
|  | 
 | ||
|  |     // Because the testing of the CSS property names (with "-", as
 | ||
|  |     // opposed to the camelCase DOM properties) is non-portable and
 | ||
|  |     // non-standard but works in WebKit and IE (but not Gecko or Opera),
 | ||
|  |     // we explicitly reject properties with dashes so that authors
 | ||
|  |     // developing in WebKit or IE first don't end up with
 | ||
|  |     // browser-specific content by accident.
 | ||
|  | 
 | ||
|  |     function testProps( props, prefixed ) { | ||
|  |         for ( var i in props ) { | ||
|  |             var prop = props[i]; | ||
|  |             if ( !contains(prop, "-") && mStyle[prop] !== undefined ) { | ||
|  |                 return prefixed == 'pfx' ? prop : true; | ||
|  |             } | ||
|  |         } | ||
|  |         return false; | ||
|  |     } | ||
|  |     /*>>testprop*/ | ||
|  | 
 | ||
|  |     // TODO :: add testDOMProps
 | ||
|  |     /** | ||
|  |      * testDOMProps is a generic DOM property test; if a browser supports | ||
|  |      *   a certain property, it won't return undefined for it. | ||
|  |      */ | ||
|  |     function testDOMProps( props, obj, elem ) { | ||
|  |         for ( var i in props ) { | ||
|  |             var item = obj[props[i]]; | ||
|  |             if ( item !== undefined) { | ||
|  | 
 | ||
|  |                 // return the property name as a string
 | ||
|  |                 if (elem === false) return props[i]; | ||
|  | 
 | ||
|  |                 // let's bind a function
 | ||
|  |                 if (is(item, 'function')){ | ||
|  |                   // default to autobind unless override
 | ||
|  |                   return item.bind(elem || obj); | ||
|  |                 } | ||
|  | 
 | ||
|  |                 // return the unbound function or obj or value
 | ||
|  |                 return item; | ||
|  |             } | ||
|  |         } | ||
|  |         return false; | ||
|  |     } | ||
|  | 
 | ||
|  |     /*>>testallprops*/ | ||
|  |     /** | ||
|  |      * testPropsAll tests a list of DOM properties we want to check against. | ||
|  |      *   We specify literally ALL possible (known and/or likely) properties on | ||
|  |      *   the element including the non-vendor prefixed one, for forward- | ||
|  |      *   compatibility. | ||
|  |      */ | ||
|  |     function testPropsAll( prop, prefixed, elem ) { | ||
|  | 
 | ||
|  |         var ucProp  = prop.charAt(0).toUpperCase() + prop.slice(1), | ||
|  |             props   = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' '); | ||
|  | 
 | ||
|  |         // did they call .prefixed('boxSizing') or are we just testing a prop?
 | ||
|  |         if(is(prefixed, "string") || is(prefixed, "undefined")) { | ||
|  |           return testProps(props, prefixed); | ||
|  | 
 | ||
|  |         // otherwise, they called .prefixed('requestAnimationFrame', window[, elem])
 | ||
|  |         } else { | ||
|  |           props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' '); | ||
|  |           return testDOMProps(props, prefixed, elem); | ||
|  |         } | ||
|  |     } | ||
|  |     /*>>testallprops*/ | ||
|  | 
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * Tests | ||
|  |      * ----- | ||
|  |      */ | ||
|  | 
 | ||
|  |     // The *new* flexbox
 | ||
|  |     // dev.w3.org/csswg/css3-flexbox
 | ||
|  | 
 | ||
|  |     tests['flexbox'] = function() { | ||
|  |       return testPropsAll('flexWrap'); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // The *old* flexbox
 | ||
|  |     // www.w3.org/TR/2009/WD-css3-flexbox-20090723/
 | ||
|  | 
 | ||
|  |     tests['flexboxlegacy'] = function() { | ||
|  |         return testPropsAll('boxDirection'); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // On the S60 and BB Storm, getContext exists, but always returns undefined
 | ||
|  |     // so we actually have to call getContext() to verify
 | ||
|  |     // github.com/Modernizr/Modernizr/issues/issue/97/
 | ||
|  | 
 | ||
|  |     tests['canvas'] = function() { | ||
|  |         var elem = document.createElement('canvas'); | ||
|  |         return !!(elem.getContext && elem.getContext('2d')); | ||
|  |     }; | ||
|  | 
 | ||
|  |     tests['canvastext'] = function() { | ||
|  |         return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function')); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // webk.it/70117 is tracking a legit WebGL feature detect proposal
 | ||
|  | 
 | ||
|  |     // We do a soft detect which may false positive in order to avoid
 | ||
|  |     // an expensive context creation: bugzil.la/732441
 | ||
|  | 
 | ||
|  |     tests['webgl'] = function() { | ||
|  |         return !!window.WebGLRenderingContext; | ||
|  |     }; | ||
|  | 
 | ||
|  |     /* | ||
|  |      * The Modernizr.touch test only indicates if the browser supports | ||
|  |      *    touch events, which does not necessarily reflect a touchscreen | ||
|  |      *    device, as evidenced by tablets running Windows 7 or, alas, | ||
|  |      *    the Palm Pre / WebOS (touch) phones. | ||
|  |      * | ||
|  |      * Additionally, Chrome (desktop) used to lie about its support on this, | ||
|  |      *    but that has since been rectified: crbug.com/36415 | ||
|  |      * | ||
|  |      * We also test for Firefox 4 Multitouch Support. | ||
|  |      * | ||
|  |      * For more info, see: modernizr.github.com/Modernizr/touch.html | ||
|  |      */ | ||
|  | 
 | ||
|  |     tests['touch'] = function() { | ||
|  |         var bool; | ||
|  | 
 | ||
|  |         if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) { | ||
|  |           bool = true; | ||
|  |         } else { | ||
|  |           injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) { | ||
|  |             bool = node.offsetTop === 9; | ||
|  |           }); | ||
|  |         } | ||
|  | 
 | ||
|  |         return bool; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     // geolocation is often considered a trivial feature detect...
 | ||
|  |     // Turns out, it's quite tricky to get right:
 | ||
|  |     //
 | ||
|  |     // Using !!navigator.geolocation does two things we don't want. It:
 | ||
|  |     //   1. Leaks memory in IE9: github.com/Modernizr/Modernizr/issues/513
 | ||
|  |     //   2. Disables page caching in WebKit: webk.it/43956
 | ||
|  |     //
 | ||
|  |     // Meanwhile, in Firefox < 8, an about:config setting could expose
 | ||
|  |     // a false positive that would throw an exception: bugzil.la/688158
 | ||
|  | 
 | ||
|  |     tests['geolocation'] = function() { | ||
|  |         return 'geolocation' in navigator; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['postmessage'] = function() { | ||
|  |       return !!window.postMessage; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     // Chrome incognito mode used to throw an exception when using openDatabase
 | ||
|  |     // It doesn't anymore.
 | ||
|  |     tests['websqldatabase'] = function() { | ||
|  |       return !!window.openDatabase; | ||
|  |     }; | ||
|  | 
 | ||
|  |     // Vendors had inconsistent prefixing with the experimental Indexed DB:
 | ||
|  |     // - Webkit's implementation is accessible through webkitIndexedDB
 | ||
|  |     // - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB
 | ||
|  |     // For speed, we don't test the legacy (and beta-only) indexedDB
 | ||
|  |     tests['indexedDB'] = function() { | ||
|  |       return !!testPropsAll("indexedDB", window); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // documentMode logic from YUI to filter out IE8 Compat Mode
 | ||
|  |     //   which false positives.
 | ||
|  |     tests['hashchange'] = function() { | ||
|  |       return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // Per 1.6:
 | ||
|  |     // This used to be Modernizr.historymanagement but the longer
 | ||
|  |     // name has been deprecated in favor of a shorter and property-matching one.
 | ||
|  |     // The old API is still available in 1.6, but as of 2.0 will throw a warning,
 | ||
|  |     // and in the first release thereafter disappear entirely.
 | ||
|  |     tests['history'] = function() { | ||
|  |       return !!(window.history && history.pushState); | ||
|  |     }; | ||
|  | 
 | ||
|  |     tests['draganddrop'] = function() { | ||
|  |         var div = document.createElement('div'); | ||
|  |         return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // FF3.6 was EOL'ed on 4/24/12, but the ESR version of FF10
 | ||
|  |     // will be supported until FF19 (2/12/13), at which time, ESR becomes FF17.
 | ||
|  |     // FF10 still uses prefixes, so check for it until then.
 | ||
|  |     // for more ESR info, see: mozilla.org/en-US/firefox/organizations/faq/
 | ||
|  |     tests['websockets'] = function() { | ||
|  |         return 'WebSocket' in window || 'MozWebSocket' in window; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     // css-tricks.com/rgba-browser-support/
 | ||
|  |     tests['rgba'] = function() { | ||
|  |         // Set an rgba() color and check the returned value
 | ||
|  | 
 | ||
|  |         setCss('background-color:rgba(150,255,150,.5)'); | ||
|  | 
 | ||
|  |         return contains(mStyle.backgroundColor, 'rgba'); | ||
|  |     }; | ||
|  | 
 | ||
|  |     tests['hsla'] = function() { | ||
|  |         // Same as rgba(), in fact, browsers re-map hsla() to rgba() internally,
 | ||
|  |         //   except IE9 who retains it as hsla
 | ||
|  | 
 | ||
|  |         setCss('background-color:hsla(120,40%,100%,.5)'); | ||
|  | 
 | ||
|  |         return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla'); | ||
|  |     }; | ||
|  | 
 | ||
|  |     tests['multiplebgs'] = function() { | ||
|  |         // Setting multiple images AND a color on the background shorthand property
 | ||
|  |         //  and then querying the style.background property value for the number of
 | ||
|  |         //  occurrences of "url(" is a reliable method for detecting ACTUAL support for this!
 | ||
|  | 
 | ||
|  |         setCss('background:url(https://),url(https://),red url(https://)'); | ||
|  | 
 | ||
|  |         // If the UA supports multiple backgrounds, there should be three occurrences
 | ||
|  |         //   of the string "url(" in the return value for elemStyle.background
 | ||
|  | 
 | ||
|  |         return (/(url\s*\(.*?){3}/).test(mStyle.background); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  | 
 | ||
|  |     // this will false positive in Opera Mini
 | ||
|  |     //   github.com/Modernizr/Modernizr/issues/396
 | ||
|  | 
 | ||
|  |     tests['backgroundsize'] = function() { | ||
|  |         return testPropsAll('backgroundSize'); | ||
|  |     }; | ||
|  | 
 | ||
|  |     tests['borderimage'] = function() { | ||
|  |         return testPropsAll('borderImage'); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     // Super comprehensive table about all the unique implementations of
 | ||
|  |     // border-radius: muddledramblings.com/table-of-css3-border-radius-compliance
 | ||
|  | 
 | ||
|  |     tests['borderradius'] = function() { | ||
|  |         return testPropsAll('borderRadius'); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // WebOS unfortunately false positives on this test.
 | ||
|  |     tests['boxshadow'] = function() { | ||
|  |         return testPropsAll('boxShadow'); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // FF3.0 will false positive on this test
 | ||
|  |     tests['textshadow'] = function() { | ||
|  |         return document.createElement('div').style.textShadow === ''; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['opacity'] = function() { | ||
|  |         // Browsers that actually have CSS Opacity implemented have done so
 | ||
|  |         //  according to spec, which means their return values are within the
 | ||
|  |         //  range of [0.0,1.0] - including the leading zero.
 | ||
|  | 
 | ||
|  |         setCssAll('opacity:.55'); | ||
|  | 
 | ||
|  |         // The non-literal . in this regex is intentional:
 | ||
|  |         //   German Chrome returns this value as 0,55
 | ||
|  |         // github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632
 | ||
|  |         return (/^0.55$/).test(mStyle.opacity); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     // Note, Android < 4 will pass this test, but can only animate
 | ||
|  |     //   a single property at a time
 | ||
|  |     //   goo.gl/v3V4Gp
 | ||
|  |     tests['cssanimations'] = function() { | ||
|  |         return testPropsAll('animationName'); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['csscolumns'] = function() { | ||
|  |         return testPropsAll('columnCount'); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['cssgradients'] = function() { | ||
|  |         /** | ||
|  |          * For CSS Gradients syntax, please see: | ||
|  |          * webkit.org/blog/175/introducing-css-gradients/ | ||
|  |          * developer.mozilla.org/en/CSS/-moz-linear-gradient | ||
|  |          * developer.mozilla.org/en/CSS/-moz-radial-gradient | ||
|  |          * dev.w3.org/csswg/css3-images/#gradients- | ||
|  |          */ | ||
|  | 
 | ||
|  |         var str1 = 'background-image:', | ||
|  |             str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));', | ||
|  |             str3 = 'linear-gradient(left top,#9f9, white);'; | ||
|  | 
 | ||
|  |         setCss( | ||
|  |              // legacy webkit syntax (FIXME: remove when syntax not in use anymore)
 | ||
|  |               (str1 + '-webkit- '.split(' ').join(str2 + str1) + | ||
|  |              // standard syntax             // trailing 'background-image:'
 | ||
|  |               prefixes.join(str3 + str1)).slice(0, -str1.length) | ||
|  |         ); | ||
|  | 
 | ||
|  |         return contains(mStyle.backgroundImage, 'gradient'); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['cssreflections'] = function() { | ||
|  |         return testPropsAll('boxReflect'); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['csstransforms'] = function() { | ||
|  |         return !!testPropsAll('transform'); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['csstransforms3d'] = function() { | ||
|  | 
 | ||
|  |         var ret = !!testPropsAll('perspective'); | ||
|  | 
 | ||
|  |         // Webkit's 3D transforms are passed off to the browser's own graphics renderer.
 | ||
|  |         //   It works fine in Safari on Leopard and Snow Leopard, but not in Chrome in
 | ||
|  |         //   some conditions. As a result, Webkit typically recognizes the syntax but
 | ||
|  |         //   will sometimes throw a false positive, thus we must do a more thorough check:
 | ||
|  |         if ( ret && 'webkitPerspective' in docElement.style ) { | ||
|  | 
 | ||
|  |           // Webkit allows this media query to succeed only if the feature is enabled.
 | ||
|  |           // `@media (transform-3d),(-webkit-transform-3d){ ... }`
 | ||
|  |           injectElementWithStyles('@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}', function( node, rule ) { | ||
|  |             ret = node.offsetLeft === 9 && node.offsetHeight === 3; | ||
|  |           }); | ||
|  |         } | ||
|  |         return ret; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['csstransitions'] = function() { | ||
|  |         return testPropsAll('transition'); | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     /*>>fontface*/ | ||
|  |     // @font-face detection routine by Diego Perini
 | ||
|  |     // javascript.nwbox.com/CSSSupport/
 | ||
|  | 
 | ||
|  |     // false positives:
 | ||
|  |     //   WebOS github.com/Modernizr/Modernizr/issues/342
 | ||
|  |     //   WP7   github.com/Modernizr/Modernizr/issues/538
 | ||
|  |     tests['fontface'] = function() { | ||
|  |         var bool; | ||
|  | 
 | ||
|  |         injectElementWithStyles('@font-face {font-family:"font";src:url("https://")}', function( node, rule ) { | ||
|  |           var style = document.getElementById('smodernizr'), | ||
|  |               sheet = style.sheet || style.styleSheet, | ||
|  |               cssText = sheet ? (sheet.cssRules && sheet.cssRules[0] ? sheet.cssRules[0].cssText : sheet.cssText || '') : ''; | ||
|  | 
 | ||
|  |           bool = /src/i.test(cssText) && cssText.indexOf(rule.split(' ')[0]) === 0; | ||
|  |         }); | ||
|  | 
 | ||
|  |         return bool; | ||
|  |     }; | ||
|  |     /*>>fontface*/ | ||
|  | 
 | ||
|  |     // CSS generated content detection
 | ||
|  |     tests['generatedcontent'] = function() { | ||
|  |         var bool; | ||
|  | 
 | ||
|  |         injectElementWithStyles(['#',mod,'{font:0/0 a}#',mod,':after{content:"',smile,'";visibility:hidden;font:3px/1 a}'].join(''), function( node ) { | ||
|  |           bool = node.offsetHeight >= 3; | ||
|  |         }); | ||
|  | 
 | ||
|  |         return bool; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  | 
 | ||
|  |     // These tests evaluate support of the video/audio elements, as well as
 | ||
|  |     // testing what types of content they support.
 | ||
|  |     //
 | ||
|  |     // We're using the Boolean constructor here, so that we can extend the value
 | ||
|  |     // e.g.  Modernizr.video     // true
 | ||
|  |     //       Modernizr.video.ogg // 'probably'
 | ||
|  |     //
 | ||
|  |     // Codec values from : github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845
 | ||
|  |     //                     thx to NielsLeenheer and zcorpan
 | ||
|  | 
 | ||
|  |     // Note: in some older browsers, "no" was a return value instead of empty string.
 | ||
|  |     //   It was live in FF3.5.0 and 3.5.1, but fixed in 3.5.2
 | ||
|  |     //   It was also live in Safari 4.0.0 - 4.0.4, but fixed in 4.0.5
 | ||
|  | 
 | ||
|  |     tests['video'] = function() { | ||
|  |         var elem = document.createElement('video'), | ||
|  |             bool = false; | ||
|  | 
 | ||
|  |         // IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224
 | ||
|  |         try { | ||
|  |             if ( bool = !!elem.canPlayType ) { | ||
|  |                 bool      = new Boolean(bool); | ||
|  |                 bool.ogg  = elem.canPlayType('video/ogg; codecs="theora"')      .replace(/^no$/,''); | ||
|  | 
 | ||
|  |                 // Without QuickTime, this value will be `undefined`. github.com/Modernizr/Modernizr/issues/546
 | ||
|  |                 bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,''); | ||
|  | 
 | ||
|  |                 bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,''); | ||
|  |             } | ||
|  | 
 | ||
|  |         } catch(e) { } | ||
|  | 
 | ||
|  |         return bool; | ||
|  |     }; | ||
|  | 
 | ||
|  |     tests['audio'] = function() { | ||
|  |         var elem = document.createElement('audio'), | ||
|  |             bool = false; | ||
|  | 
 | ||
|  |         try { | ||
|  |             if ( bool = !!elem.canPlayType ) { | ||
|  |                 bool      = new Boolean(bool); | ||
|  |                 bool.ogg  = elem.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,''); | ||
|  |                 bool.mp3  = elem.canPlayType('audio/mpeg;')               .replace(/^no$/,''); | ||
|  | 
 | ||
|  |                 // Mimetypes accepted:
 | ||
|  |                 //   developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements
 | ||
|  |                 //   bit.ly/iphoneoscodecs
 | ||
|  |                 bool.wav  = elem.canPlayType('audio/wav; codecs="1"')     .replace(/^no$/,''); | ||
|  |                 bool.m4a  = ( elem.canPlayType('audio/x-m4a;')            || | ||
|  |                               elem.canPlayType('audio/aac;'))             .replace(/^no$/,''); | ||
|  |             } | ||
|  |         } catch(e) { } | ||
|  | 
 | ||
|  |         return bool; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     // In FF4, if disabled, window.localStorage should === null.
 | ||
|  | 
 | ||
|  |     // Normally, we could not test that directly and need to do a
 | ||
|  |     //   `('localStorage' in window) && ` test first because otherwise Firefox will
 | ||
|  |     //   throw bugzil.la/365772 if cookies are disabled
 | ||
|  | 
 | ||
|  |     // Also in iOS5 Private Browsing mode, attempting to use localStorage.setItem
 | ||
|  |     // will throw the exception:
 | ||
|  |     //   QUOTA_EXCEEDED_ERRROR DOM Exception 22.
 | ||
|  |     // Peculiarly, getItem and removeItem calls do not throw.
 | ||
|  | 
 | ||
|  |     // Because we are forced to try/catch this, we'll go aggressive.
 | ||
|  | 
 | ||
|  |     // Just FWIW: IE8 Compat mode supports these features completely:
 | ||
|  |     //   www.quirksmode.org/dom/html5.html
 | ||
|  |     // But IE8 doesn't support either with local files
 | ||
|  | 
 | ||
|  |     tests['localstorage'] = function() { | ||
|  |         try { | ||
|  |             localStorage.setItem(mod, mod); | ||
|  |             localStorage.removeItem(mod); | ||
|  |             return true; | ||
|  |         } catch(e) { | ||
|  |             return false; | ||
|  |         } | ||
|  |     }; | ||
|  | 
 | ||
|  |     tests['sessionstorage'] = function() { | ||
|  |         try { | ||
|  |             sessionStorage.setItem(mod, mod); | ||
|  |             sessionStorage.removeItem(mod); | ||
|  |             return true; | ||
|  |         } catch(e) { | ||
|  |             return false; | ||
|  |         } | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['webworkers'] = function() { | ||
|  |         return !!window.Worker; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     tests['applicationcache'] = function() { | ||
|  |         return !!window.applicationCache; | ||
|  |     }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     // Thanks to Erik Dahlstrom
 | ||
|  |     tests['svg'] = function() { | ||
|  |         return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect; | ||
|  |     }; | ||
|  | 
 | ||
|  |     // specifically for SVG inline in HTML, not within XHTML
 | ||
|  |     // test page: paulirish.com/demo/inline-svg
 | ||
|  |     tests['inlinesvg'] = function() { | ||
|  |       var div = document.createElement('div'); | ||
|  |       div.innerHTML = '<svg/>'; | ||
|  |       return (div.firstChild && div.firstChild.namespaceURI) == ns.svg; | ||
|  |     }; | ||
|  | 
 | ||
|  |     // SVG SMIL animation
 | ||
|  |     tests['smil'] = function() { | ||
|  |         return !!document.createElementNS && /SVGAnimate/.test(toString.call(document.createElementNS(ns.svg, 'animate'))); | ||
|  |     }; | ||
|  | 
 | ||
|  |     // This test is only for clip paths in SVG proper, not clip paths on HTML content
 | ||
|  |     // demo: srufaculty.sru.edu/david.dailey/svg/newstuff/clipPath4.svg
 | ||
|  | 
 | ||
|  |     // However read the comments to dig into applying SVG clippaths to HTML content here:
 | ||
|  |     //   github.com/Modernizr/Modernizr/issues/213#issuecomment-1149491
 | ||
|  |     tests['svgclippaths'] = function() { | ||
|  |         return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath'))); | ||
|  |     }; | ||
|  | 
 | ||
|  |     /*>>webforms*/ | ||
|  |     // input features and input types go directly onto the ret object, bypassing the tests loop.
 | ||
|  |     // Hold this guy to execute in a moment.
 | ||
|  |     function webforms() { | ||
|  |         /*>>input*/ | ||
|  |         // Run through HTML5's new input attributes to see if the UA understands any.
 | ||
|  |         // We're using f which is the <input> element created early on
 | ||
|  |         // Mike Taylr has created a comprehensive resource for testing these attributes
 | ||
|  |         //   when applied to all input types:
 | ||
|  |         //   miketaylr.com/code/input-type-attr.html
 | ||
|  |         // spec: www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary
 | ||
|  | 
 | ||
|  |         // Only input placeholder is tested while textarea's placeholder is not.
 | ||
|  |         // Currently Safari 4 and Opera 11 have support only for the input placeholder
 | ||
|  |         // Both tests are available in feature-detects/forms-placeholder.js
 | ||
|  |         Modernizr['input'] = (function( props ) { | ||
|  |             for ( var i = 0, len = props.length; i < len; i++ ) { | ||
|  |                 attrs[ props[i] ] = !!(props[i] in inputElem); | ||
|  |             } | ||
|  |             if (attrs.list){ | ||
|  |               // safari false positive's on datalist: webk.it/74252
 | ||
|  |               // see also github.com/Modernizr/Modernizr/issues/146
 | ||
|  |               attrs.list = !!(document.createElement('datalist') && window.HTMLDataListElement); | ||
|  |             } | ||
|  |             return attrs; | ||
|  |         })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' ')); | ||
|  |         /*>>input*/ | ||
|  | 
 | ||
|  |         /*>>inputtypes*/ | ||
|  |         // Run through HTML5's new input types to see if the UA understands any.
 | ||
|  |         //   This is put behind the tests runloop because it doesn't return a
 | ||
|  |         //   true/false like all the other tests; instead, it returns an object
 | ||
|  |         //   containing each input type with its corresponding true/false value
 | ||
|  | 
 | ||
|  |         // Big thanks to @miketaylr for the html5 forms expertise. miketaylr.com/
 | ||
|  |         Modernizr['inputtypes'] = (function(props) { | ||
|  | 
 | ||
|  |             for ( var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++ ) { | ||
|  | 
 | ||
|  |                 inputElem.setAttribute('type', inputElemType = props[i]); | ||
|  |                 bool = inputElem.type !== 'text'; | ||
|  | 
 | ||
|  |                 // We first check to see if the type we give it sticks..
 | ||
|  |                 // If the type does, we feed it a textual value, which shouldn't be valid.
 | ||
|  |                 // If the value doesn't stick, we know there's input sanitization which infers a custom UI
 | ||
|  |                 if ( bool ) { | ||
|  | 
 | ||
|  |                     inputElem.value         = smile; | ||
|  |                     inputElem.style.cssText = 'position:absolute;visibility:hidden;'; | ||
|  | 
 | ||
|  |                     if ( /^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined ) { | ||
|  | 
 | ||
|  |                       docElement.appendChild(inputElem); | ||
|  |                       defaultView = document.defaultView; | ||
|  | 
 | ||
|  |                       // Safari 2-4 allows the smiley as a value, despite making a slider
 | ||
|  |                       bool =  defaultView.getComputedStyle && | ||
|  |                               defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' && | ||
|  |                               // Mobile android web browser has false positive, so must
 | ||
|  |                               // check the height to see if the widget is actually there.
 | ||
|  |                               (inputElem.offsetHeight !== 0); | ||
|  | 
 | ||
|  |                       docElement.removeChild(inputElem); | ||
|  | 
 | ||
|  |                     } else if ( /^(search|tel)$/.test(inputElemType) ){ | ||
|  |                       // Spec doesn't define any special parsing or detectable UI
 | ||
|  |                       //   behaviors so we pass these through as true
 | ||
|  | 
 | ||
|  |                       // Interestingly, opera fails the earlier test, so it doesn't
 | ||
|  |                       //  even make it here.
 | ||
|  | 
 | ||
|  |                     } else if ( /^(url|email)$/.test(inputElemType) ) { | ||
|  |                       // Real url and email support comes with prebaked validation.
 | ||
|  |                       bool = inputElem.checkValidity && inputElem.checkValidity() === false; | ||
|  | 
 | ||
|  |                     } else { | ||
|  |                       // If the upgraded input compontent rejects the :) text, we got a winner
 | ||
|  |                       bool = inputElem.value != smile; | ||
|  |                     } | ||
|  |                 } | ||
|  | 
 | ||
|  |                 inputs[ props[i] ] = !!bool; | ||
|  |             } | ||
|  |             return inputs; | ||
|  |         })('search tel url email datetime date month week time datetime-local number range color'.split(' ')); | ||
|  |         /*>>inputtypes*/ | ||
|  |     } | ||
|  |     /*>>webforms*/ | ||
|  | 
 | ||
|  | 
 | ||
|  |     // End of test definitions
 | ||
|  |     // -----------------------
 | ||
|  | 
 | ||
|  | 
 | ||
|  | 
 | ||
|  |     // Run through all tests and detect their support in the current UA.
 | ||
|  |     // todo: hypothetically we could be doing an array of tests and use a basic loop here.
 | ||
|  |     for ( var feature in tests ) { | ||
|  |         if ( hasOwnProp(tests, feature) ) { | ||
|  |             // run the test, throw the return value into the Modernizr,
 | ||
|  |             //   then based on that boolean, define an appropriate className
 | ||
|  |             //   and push it into an array of classes we'll join later.
 | ||
|  |             featureName  = feature.toLowerCase(); | ||
|  |             Modernizr[featureName] = tests[feature](); | ||
|  | 
 | ||
|  |             classes.push((Modernizr[featureName] ? '' : 'no-') + featureName); | ||
|  |         } | ||
|  |     } | ||
|  | 
 | ||
|  |     /*>>webforms*/ | ||
|  |     // input tests need to run.
 | ||
|  |     Modernizr.input || webforms(); | ||
|  |     /*>>webforms*/ | ||
|  | 
 | ||
|  | 
 | ||
|  |     /** | ||
|  |      * addTest allows the user to define their own feature tests | ||
|  |      * the result will be added onto the Modernizr object, | ||
|  |      * as well as an appropriate className set on the html element | ||
|  |      * | ||
|  |      * @param feature - String naming the feature | ||
|  |      * @param test - Function returning true if feature is supported, false if not | ||
|  |      */ | ||
|  |      Modernizr.addTest = function ( feature, test ) { | ||
|  |        if ( typeof feature == 'object' ) { | ||
|  |          for ( var key in feature ) { | ||
|  |            if ( hasOwnProp( feature, key ) ) { | ||
|  |              Modernizr.addTest( key, feature[ key ] ); | ||
|  |            } | ||
|  |          } | ||
|  |        } else { | ||
|  | 
 | ||
|  |          feature = feature.toLowerCase(); | ||
|  | 
 | ||
|  |          if ( Modernizr[feature] !== undefined ) { | ||
|  |            // we're going to quit if you're trying to overwrite an existing test
 | ||
|  |            // if we were to allow it, we'd do this:
 | ||
|  |            //   var re = new RegExp("\\b(no-)?" + feature + "\\b");
 | ||
|  |            //   docElement.className = docElement.className.replace( re, '' );
 | ||
|  |            // but, no rly, stuff 'em.
 | ||
|  |            return Modernizr; | ||
|  |          } | ||
|  | 
 | ||
|  |          test = typeof test == 'function' ? test() : test; | ||
|  | 
 | ||
|  |          if (typeof enableClasses !== "undefined" && enableClasses) { | ||
|  |            docElement.className += ' ' + (test ? '' : 'no-') + feature; | ||
|  |          } | ||
|  |          Modernizr[feature] = test; | ||
|  | 
 | ||
|  |        } | ||
|  | 
 | ||
|  |        return Modernizr; // allow chaining.
 | ||
|  |      }; | ||
|  | 
 | ||
|  | 
 | ||
|  |     // Reset modElem.cssText to nothing to reduce memory footprint.
 | ||
|  |     setCss(''); | ||
|  |     modElem = inputElem = null; | ||
|  | 
 | ||
|  |     /*>>shiv*/ | ||
|  |     /** | ||
|  |      * @preserve HTML5 Shiv prev3.7.1 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed | ||
|  |      */ | ||
|  |     ;(function(window, document) { | ||
|  |         /*jshint evil:true */ | ||
|  |         /** version */ | ||
|  |         var version = '3.7.0'; | ||
|  | 
 | ||
|  |         /** Preset options */ | ||
|  |         var options = window.html5 || {}; | ||
|  | 
 | ||
|  |         /** Used to skip problem elements */ | ||
|  |         var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i; | ||
|  | 
 | ||
|  |         /** Not all elements can be cloned in IE **/ | ||
|  |         var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i; | ||
|  | 
 | ||
|  |         /** Detect whether the browser supports default html5 styles */ | ||
|  |         var supportsHtml5Styles; | ||
|  | 
 | ||
|  |         /** Name of the expando, to work with multiple documents or to re-shiv one document */ | ||
|  |         var expando = '_html5shiv'; | ||
|  | 
 | ||
|  |         /** The id for the the documents expando */ | ||
|  |         var expanID = 0; | ||
|  | 
 | ||
|  |         /** Cached data for each document */ | ||
|  |         var expandoData = {}; | ||
|  | 
 | ||
|  |         /** Detect whether the browser supports unknown elements */ | ||
|  |         var supportsUnknownElements; | ||
|  | 
 | ||
|  |         (function() { | ||
|  |           try { | ||
|  |             var a = document.createElement('a'); | ||
|  |             a.innerHTML = '<xyz></xyz>'; | ||
|  |             //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
 | ||
|  |             supportsHtml5Styles = ('hidden' in a); | ||
|  | 
 | ||
|  |             supportsUnknownElements = a.childNodes.length == 1 || (function() { | ||
|  |               // assign a false positive if unable to shiv
 | ||
|  |               (document.createElement)('a'); | ||
|  |               var frag = document.createDocumentFragment(); | ||
|  |               return ( | ||
|  |                 typeof frag.cloneNode == 'undefined' || | ||
|  |                 typeof frag.createDocumentFragment == 'undefined' || | ||
|  |                 typeof frag.createElement == 'undefined' | ||
|  |               ); | ||
|  |             }()); | ||
|  |           } catch(e) { | ||
|  |             // assign a false positive if detection fails => unable to shiv
 | ||
|  |             supportsHtml5Styles = true; | ||
|  |             supportsUnknownElements = true; | ||
|  |           } | ||
|  | 
 | ||
|  |         }()); | ||
|  | 
 | ||
|  |         /*--------------------------------------------------------------------------*/ | ||
|  | 
 | ||
|  |         /** | ||
|  |          * Creates a style sheet with the given CSS text and adds it to the document. | ||
|  |          * @private | ||
|  |          * @param {Document} ownerDocument The document. | ||
|  |          * @param {String} cssText The CSS text. | ||
|  |          * @returns {StyleSheet} The style element. | ||
|  |          */ | ||
|  |         function addStyleSheet(ownerDocument, cssText) { | ||
|  |           var p = ownerDocument.createElement('p'), | ||
|  |           parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement; | ||
|  | 
 | ||
|  |           p.innerHTML = 'x<style>' + cssText + '</style>'; | ||
|  |           return parent.insertBefore(p.lastChild, parent.firstChild); | ||
|  |         } | ||
|  | 
 | ||
|  |         /** | ||
|  |          * Returns the value of `html5.elements` as an array. | ||
|  |          * @private | ||
|  |          * @returns {Array} An array of shived element node names. | ||
|  |          */ | ||
|  |         function getElements() { | ||
|  |           var elements = html5.elements; | ||
|  |           return typeof elements == 'string' ? elements.split(' ') : elements; | ||
|  |         } | ||
|  | 
 | ||
|  |         /** | ||
|  |          * Returns the data associated to the given document | ||
|  |          * @private | ||
|  |          * @param {Document} ownerDocument The document. | ||
|  |          * @returns {Object} An object of data. | ||
|  |          */ | ||
|  |         function getExpandoData(ownerDocument) { | ||
|  |           var data = expandoData[ownerDocument[expando]]; | ||
|  |           if (!data) { | ||
|  |             data = {}; | ||
|  |             expanID++; | ||
|  |             ownerDocument[expando] = expanID; | ||
|  |             expandoData[expanID] = data; | ||
|  |           } | ||
|  |           return data; | ||
|  |         } | ||
|  | 
 | ||
|  |         /** | ||
|  |          * returns a shived element for the given nodeName and document | ||
|  |          * @memberOf html5 | ||
|  |          * @param {String} nodeName name of the element | ||
|  |          * @param {Document} ownerDocument The context document. | ||
|  |          * @returns {Object} The shived element. | ||
|  |          */ | ||
|  |         function createElement(nodeName, ownerDocument, data){ | ||
|  |           if (!ownerDocument) { | ||
|  |             ownerDocument = document; | ||
|  |           } | ||
|  |           if(supportsUnknownElements){ | ||
|  |             return ownerDocument.createElement(nodeName); | ||
|  |           } | ||
|  |           if (!data) { | ||
|  |             data = getExpandoData(ownerDocument); | ||
|  |           } | ||
|  |           var node; | ||
|  | 
 | ||
|  |           if (data.cache[nodeName]) { | ||
|  |             node = data.cache[nodeName].cloneNode(); | ||
|  |           } else if (saveClones.test(nodeName)) { | ||
|  |             node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode(); | ||
|  |           } else { | ||
|  |             node = data.createElem(nodeName); | ||
|  |           } | ||
|  | 
 | ||
|  |           // Avoid adding some elements to fragments in IE < 9 because
 | ||
|  |           // * Attributes like `name` or `type` cannot be set/changed once an element
 | ||
|  |           //   is inserted into a document/fragment
 | ||
|  |           // * Link elements with `src` attributes that are inaccessible, as with
 | ||
|  |           //   a 403 response, will cause the tab/window to crash
 | ||
|  |           // * Script elements appended to fragments will execute when their `src`
 | ||
|  |           //   or `text` property is set
 | ||
|  |           return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node; | ||
|  |         } | ||
|  | 
 | ||
|  |         /** | ||
|  |          * returns a shived DocumentFragment for the given document | ||
|  |          * @memberOf html5 | ||
|  |          * @param {Document} ownerDocument The context document. | ||
|  |          * @returns {Object} The shived DocumentFragment. | ||
|  |          */ | ||
|  |         function createDocumentFragment(ownerDocument, data){ | ||
|  |           if (!ownerDocument) { | ||
|  |             ownerDocument = document; | ||
|  |           } | ||
|  |           if(supportsUnknownElements){ | ||
|  |             return ownerDocument.createDocumentFragment(); | ||
|  |           } | ||
|  |           data = data || getExpandoData(ownerDocument); | ||
|  |           var clone = data.frag.cloneNode(), | ||
|  |           i = 0, | ||
|  |           elems = getElements(), | ||
|  |           l = elems.length; | ||
|  |           for(;i<l;i++){ | ||
|  |             clone.createElement(elems[i]); | ||
|  |           } | ||
|  |           return clone; | ||
|  |         } | ||
|  | 
 | ||
|  |         /** | ||
|  |          * Shivs the `createElement` and `createDocumentFragment` methods of the document. | ||
|  |          * @private | ||
|  |          * @param {Document|DocumentFragment} ownerDocument The document. | ||
|  |          * @param {Object} data of the document. | ||
|  |          */ | ||
|  |         function shivMethods(ownerDocument, data) { | ||
|  |           if (!data.cache) { | ||
|  |             data.cache = {}; | ||
|  |             data.createElem = ownerDocument.createElement; | ||
|  |             data.createFrag = ownerDocument.createDocumentFragment; | ||
|  |             data.frag = data.createFrag(); | ||
|  |           } | ||
|  | 
 | ||
|  | 
 | ||
|  |           ownerDocument.createElement = function(nodeName) { | ||
|  |             //abort shiv
 | ||
|  |             if (!html5.shivMethods) { | ||
|  |               return data.createElem(nodeName); | ||
|  |             } | ||
|  |             return createElement(nodeName, ownerDocument, data); | ||
|  |           }; | ||
|  | 
 | ||
|  |           ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' + | ||
|  |                                                           'var n=f.cloneNode(),c=n.createElement;' + | ||
|  |                                                           'h.shivMethods&&(' + | ||
|  |                                                           // unroll the `createElement` calls
 | ||
|  |                                                           getElements().join().replace(/[\w\-]+/g, function(nodeName) { | ||
|  |             data.createElem(nodeName); | ||
|  |             data.frag.createElement(nodeName); | ||
|  |             return 'c("' + nodeName + '")'; | ||
|  |           }) + | ||
|  |             ');return n}' | ||
|  |                                                          )(html5, data.frag); | ||
|  |         } | ||
|  | 
 | ||
|  |         /*--------------------------------------------------------------------------*/ | ||
|  | 
 | ||
|  |         /** | ||
|  |          * Shivs the given document. | ||
|  |          * @memberOf html5 | ||
|  |          * @param {Document} ownerDocument The document to shiv. | ||
|  |          * @returns {Document} The shived document. | ||
|  |          */ | ||
|  |         function shivDocument(ownerDocument) { | ||
|  |           if (!ownerDocument) { | ||
|  |             ownerDocument = document; | ||
|  |           } | ||
|  |           var data = getExpandoData(ownerDocument); | ||
|  | 
 | ||
|  |           if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) { | ||
|  |             data.hasCSS = !!addStyleSheet(ownerDocument, | ||
|  |                                           // corrects block display not defined in IE6/7/8/9
 | ||
|  |                                           'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' + | ||
|  |                                             // adds styling not present in IE6/7/8/9
 | ||
|  |                                             'mark{background:#FF0;color:#000}' + | ||
|  |                                             // hides non-rendered elements
 | ||
|  |                                             'template{display:none}' | ||
|  |                                          ); | ||
|  |           } | ||
|  |           if (!supportsUnknownElements) { | ||
|  |             shivMethods(ownerDocument, data); | ||
|  |           } | ||
|  |           return ownerDocument; | ||
|  |         } | ||
|  | 
 | ||
|  |         /*--------------------------------------------------------------------------*/ | ||
|  | 
 | ||
|  |         /** | ||
|  |          * The `html5` object is exposed so that more elements can be shived and | ||
|  |          * existing shiving can be detected on iframes. | ||
|  |          * @type Object | ||
|  |          * @example | ||
|  |          * | ||
|  |          * // options can be changed before the script is included
 | ||
|  |          * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false }; | ||
|  |          */ | ||
|  |         var html5 = { | ||
|  | 
 | ||
|  |           /** | ||
|  |            * An array or space separated string of node names of the elements to shiv. | ||
|  |            * @memberOf html5 | ||
|  |            * @type Array|String | ||
|  |            */ | ||
|  |           'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video', | ||
|  | 
 | ||
|  |           /** | ||
|  |            * current version of html5shiv | ||
|  |            */ | ||
|  |           'version': version, | ||
|  | 
 | ||
|  |           /** | ||
|  |            * A flag to indicate that the HTML5 style sheet should be inserted. | ||
|  |            * @memberOf html5 | ||
|  |            * @type Boolean | ||
|  |            */ | ||
|  |           'shivCSS': (options.shivCSS !== false), | ||
|  | 
 | ||
|  |           /** | ||
|  |            * Is equal to true if a browser supports creating unknown/HTML5 elements | ||
|  |            * @memberOf html5 | ||
|  |            * @type boolean | ||
|  |            */ | ||
|  |           'supportsUnknownElements': supportsUnknownElements, | ||
|  | 
 | ||
|  |           /** | ||
|  |            * A flag to indicate that the document's `createElement` and `createDocumentFragment` | ||
|  |            * methods should be overwritten. | ||
|  |            * @memberOf html5 | ||
|  |            * @type Boolean | ||
|  |            */ | ||
|  |           'shivMethods': (options.shivMethods !== false), | ||
|  | 
 | ||
|  |           /** | ||
|  |            * A string to describe the type of `html5` object ("default" or "default print"). | ||
|  |            * @memberOf html5 | ||
|  |            * @type String | ||
|  |            */ | ||
|  |           'type': 'default', | ||
|  | 
 | ||
|  |           // shivs the document according to the specified `html5` object options
 | ||
|  |           'shivDocument': shivDocument, | ||
|  | 
 | ||
|  |           //creates a shived element
 | ||
|  |           createElement: createElement, | ||
|  | 
 | ||
|  |           //creates a shived documentFragment
 | ||
|  |           createDocumentFragment: createDocumentFragment | ||
|  |         }; | ||
|  | 
 | ||
|  |         /*--------------------------------------------------------------------------*/ | ||
|  | 
 | ||
|  |         // expose html5
 | ||
|  |         window.html5 = html5; | ||
|  | 
 | ||
|  |         // shiv the document
 | ||
|  |         shivDocument(document); | ||
|  | 
 | ||
|  |     }(this, document)); | ||
|  |     /*>>shiv*/ | ||
|  | 
 | ||
|  |     // Assign private properties to the return object with prefix
 | ||
|  |     Modernizr._version      = version; | ||
|  | 
 | ||
|  |     // expose these for the plugin API. Look in the source for how to join() them against your input
 | ||
|  |     /*>>prefixes*/ | ||
|  |     Modernizr._prefixes     = prefixes; | ||
|  |     /*>>prefixes*/ | ||
|  |     /*>>domprefixes*/ | ||
|  |     Modernizr._domPrefixes  = domPrefixes; | ||
|  |     Modernizr._cssomPrefixes  = cssomPrefixes; | ||
|  |     /*>>domprefixes*/ | ||
|  | 
 | ||
|  |     /*>>mq*/ | ||
|  |     // Modernizr.mq tests a given media query, live against the current state of the window
 | ||
|  |     // A few important notes:
 | ||
|  |     //   * If a browser does not support media queries at all (eg. oldIE) the mq() will always return false
 | ||
|  |     //   * A max-width or orientation query will be evaluated against the current state, which may change later.
 | ||
|  |     //   * You must specify values. Eg. If you are testing support for the min-width media query use:
 | ||
|  |     //       Modernizr.mq('(min-width:0)')
 | ||
|  |     // usage:
 | ||
|  |     // Modernizr.mq('only screen and (max-width:768)')
 | ||
|  |     Modernizr.mq            = testMediaQuery; | ||
|  |     /*>>mq*/ | ||
|  | 
 | ||
|  |     /*>>hasevent*/ | ||
|  |     // Modernizr.hasEvent() detects support for a given event, with an optional element to test on
 | ||
|  |     // Modernizr.hasEvent('gesturestart', elem)
 | ||
|  |     Modernizr.hasEvent      = isEventSupported; | ||
|  |     /*>>hasevent*/ | ||
|  | 
 | ||
|  |     /*>>testprop*/ | ||
|  |     // Modernizr.testProp() investigates whether a given style property is recognized
 | ||
|  |     // Note that the property names must be provided in the camelCase variant.
 | ||
|  |     // Modernizr.testProp('pointerEvents')
 | ||
|  |     Modernizr.testProp      = function(prop){ | ||
|  |         return testProps([prop]); | ||
|  |     }; | ||
|  |     /*>>testprop*/ | ||
|  | 
 | ||
|  |     /*>>testallprops*/ | ||
|  |     // Modernizr.testAllProps() investigates whether a given style property,
 | ||
|  |     //   or any of its vendor-prefixed variants, is recognized
 | ||
|  |     // Note that the property names must be provided in the camelCase variant.
 | ||
|  |     // Modernizr.testAllProps('boxSizing')
 | ||
|  |     Modernizr.testAllProps  = testPropsAll; | ||
|  |     /*>>testallprops*/ | ||
|  | 
 | ||
|  | 
 | ||
|  |     /*>>teststyles*/ | ||
|  |     // Modernizr.testStyles() allows you to add custom styles to the document and test an element afterwards
 | ||
|  |     // Modernizr.testStyles('#modernizr { position:absolute }', function(elem, rule){ ... })
 | ||
|  |     Modernizr.testStyles    = injectElementWithStyles; | ||
|  |     /*>>teststyles*/ | ||
|  | 
 | ||
|  | 
 | ||
|  |     /*>>prefixed*/ | ||
|  |     // Modernizr.prefixed() returns the prefixed or nonprefixed property name variant of your input
 | ||
|  |     // Modernizr.prefixed('boxSizing') // 'MozBoxSizing'
 | ||
|  | 
 | ||
|  |     // Properties must be passed as dom-style camelcase, rather than `box-sizing` hypentated style.
 | ||
|  |     // Return values will also be the camelCase variant, if you need to translate that to hypenated style use:
 | ||
|  |     //
 | ||
|  |     //     str.replace(/([A-Z])/g, function(str,m1){ return '-' + m1.toLowerCase(); }).replace(/^ms-/,'-ms-');
 | ||
|  | 
 | ||
|  |     // If you're trying to ascertain which transition end event to bind to, you might do something like...
 | ||
|  |     //
 | ||
|  |     //     var transEndEventNames = {
 | ||
|  |     //       'WebkitTransition' : 'webkitTransitionEnd',
 | ||
|  |     //       'MozTransition'    : 'transitionend',
 | ||
|  |     //       'OTransition'      : 'oTransitionEnd',
 | ||
|  |     //       'msTransition'     : 'MSTransitionEnd',
 | ||
|  |     //       'transition'       : 'transitionend'
 | ||
|  |     //     },
 | ||
|  |     //     transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ];
 | ||
|  | 
 | ||
|  |     Modernizr.prefixed      = function(prop, obj, elem){ | ||
|  |       if(!obj) { | ||
|  |         return testPropsAll(prop, 'pfx'); | ||
|  |       } else { | ||
|  |         // Testing DOM property e.g. Modernizr.prefixed('requestAnimationFrame', window) // 'mozRequestAnimationFrame'
 | ||
|  |         return testPropsAll(prop, obj, elem); | ||
|  |       } | ||
|  |     }; | ||
|  |     /*>>prefixed*/ | ||
|  | 
 | ||
|  | 
 | ||
|  |     /*>>cssclasses*/ | ||
|  |     // Remove "no-js" class from <html> element, if it exists:
 | ||
|  |     docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') + | ||
|  | 
 | ||
|  |                             // Add the new classes to the <html> element.
 | ||
|  |                             (enableClasses ? ' js ' + classes.join(' ') : ''); | ||
|  |     /*>>cssclasses*/ | ||
|  | 
 | ||
|  |     return Modernizr; | ||
|  | 
 | ||
|  | })(this, this.document); |