modernizr-2.8.3.min.js 16 KB

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  1. window.Modernizr=function(window,document,undefined){var version="2.6.2",Modernizr={},enableClasses=true,docElement=document.documentElement,mod="modernizr",modElem=document.createElement(mod),mStyle=modElem.style,inputElem=document.createElement("input"),smile=":)",toString={}.toString,prefixes=" -webkit- -moz- -o- -ms- ".split(" "),omPrefixes="Webkit Moz O ms",cssomPrefixes=omPrefixes.split(" "),domPrefixes=omPrefixes.toLowerCase().split(" "),ns={svg:"http://www.w3.org/2000/svg"},tests={},inputs={},attrs={},classes=[],slice=classes.slice,featureName,injectElementWithStyles=function(rule,callback,nodes,testnames){var style,ret,node,docOverflow,div=document.createElement("div"),body=document.body,fakeBody=body||document.createElement("body");if(parseInt(nodes,10)){while(nodes--){node=document.createElement("div");node.id=testnames?testnames[nodes]:mod+(nodes+1);div.appendChild(node)}}style=["&#173;",'<style id="s',mod,'">',rule,"</style>"].join("");div.id=mod;(body?div:fakeBody).innerHTML+=style;fakeBody.appendChild(div);if(!body){fakeBody.style.background="";fakeBody.style.overflow="hidden";docOverflow=docElement.style.overflow;docElement.style.overflow="hidden";docElement.appendChild(fakeBody)}ret=callback(div,rule);if(!body){fakeBody.parentNode.removeChild(fakeBody);docElement.style.overflow=docOverflow}else{div.parentNode.removeChild(div)}return!!ret},testMediaQuery=function(mq){var matchMedia=window.matchMedia||window.msMatchMedia;if(matchMedia){return matchMedia(mq).matches}var bool;injectElementWithStyles("@media "+mq+" { #"+mod+" { position: absolute; } }",function(node){bool=(window.getComputedStyle?getComputedStyle(node,null):node.currentStyle)["position"]=="absolute"});return bool},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;var isSupported=eventName in element;if(!isSupported){if(!element.setAttribute){element=document.createElement("div")}if(element.setAttribute&&element.removeAttribute){element.setAttribute(eventName,"");isSupported=is(element[eventName],"function");if(!is(element[eventName],"undefined")){element[eventName]=undefined}element.removeAttribute(eventName)}}element=null;return isSupported}return isEventSupported}(),_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){return property in object&&is(object.constructor.prototype[property],"undefined")}}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}}function setCss(str){mStyle.cssText=str}function setCssAll(str1,str2){return setCss(prefixes.join(str1+";")+(str2||""))}function is(obj,type){return typeof obj===type}function contains(str,substr){return!!~(""+str).indexOf(substr)}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}function testDOMProps(props,obj,elem){for(var i in props){var item=obj[props[i]];if(item!==undefined){if(elem===false)return props[i];if(is(item,"function")){return item.bind(elem||obj)}return item}}return false}function testPropsAll(prop,prefixed,elem){var ucProp=prop.charAt(0).toUpperCase()+prop.slice(1),props=(prop+" "+cssomPrefixes.join(ucProp+" ")+ucProp).split(" ");if(is(prefixed,"string")||is(prefixed,"undefined")){return testProps(props,prefixed)}else{props=(prop+" "+domPrefixes.join(ucProp+" ")+ucProp).split(" ");return testDOMProps(props,prefixed,elem)}}tests["flexbox"]=function(){return testPropsAll("flexWrap")};tests["flexboxlegacy"]=function(){return testPropsAll("boxDirection")};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"))};tests["webgl"]=function(){return!!window.WebGLRenderingContext};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};tests["geolocation"]=function(){return"geolocation"in navigator};tests["postmessage"]=function(){return!!window.postMessage};tests["websqldatabase"]=function(){return!!window.openDatabase};tests["indexedDB"]=function(){return!!testPropsAll("indexedDB",window)};tests["hashchange"]=function(){return isEventSupported("hashchange",window)&&(document.documentMode===undefined||document.documentMode>7)};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};tests["websockets"]=function(){return"WebSocket"in window||"MozWebSocket"in window};tests["rgba"]=function(){setCss("background-color:rgba(150,255,150,.5)");return contains(mStyle.backgroundColor,"rgba")};tests["hsla"]=function(){setCss("background-color:hsla(120,40%,100%,.5)");return contains(mStyle.backgroundColor,"rgba")||contains(mStyle.backgroundColor,"hsla")};tests["multiplebgs"]=function(){setCss("background:url(https://),url(https://),red url(https://)");return/(url\s*\(.*?){3}/.test(mStyle.background)};tests["backgroundsize"]=function(){return testPropsAll("backgroundSize")};tests["borderimage"]=function(){return testPropsAll("borderImage")};tests["borderradius"]=function(){return testPropsAll("borderRadius")};tests["boxshadow"]=function(){return testPropsAll("boxShadow")};tests["textshadow"]=function(){return document.createElement("div").style.textShadow===""};tests["opacity"]=function(){setCssAll("opacity:.55");return/^0.55$/.test(mStyle.opacity)};tests["cssanimations"]=function(){return testPropsAll("animationName")};tests["csscolumns"]=function(){return testPropsAll("columnCount")};tests["cssgradients"]=function(){var str1="background-image:",str2="gradient(linear,left top,right bottom,from(#9f9),to(white));",str3="linear-gradient(left top,#9f9, white);";setCss((str1+"-webkit- ".split(" ").join(str2+str1)+prefixes.join(str3+str1)).slice(0,-str1.length));return contains(mStyle.backgroundImage,"gradient")};tests["cssreflections"]=function(){return testPropsAll("boxReflect")};tests["csstransforms"]=function(){return!!testPropsAll("transform")};tests["csstransforms3d"]=function(){var ret=!!testPropsAll("perspective");if(ret&&"webkitPerspective"in docElement.style){injectElementWithStyles("@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}",function(node,rule){ret=node.offsetLeft===9&&node.offsetHeight===3})}return ret};tests["csstransitions"]=function(){return testPropsAll("transition")};tests["fontface"]=function(){var bool;injectElementWithStyles('@font-face {font-family:"font";src:url("https://")}',function(node,rule){var style=document.getElementById("smodernizr"),sheet=style.sheet||style.styleSheet,cssText=sheet?sheet.cssRules&&sheet.cssRules[0]?sheet.cssRules[0].cssText:sheet.cssText||"":"";bool=/src/i.test(cssText)&&cssText.indexOf(rule.split(" ")[0])===0});return bool};tests["generatedcontent"]=function(){var bool;injectElementWithStyles(["#",mod,"{font:0/0 a}#",mod,':after{content:"',smile,'";visibility:hidden;font:3px/1 a}'].join(""),function(node){bool=node.offsetHeight>=3});return bool};tests["video"]=function(){var elem=document.createElement("video"),bool=false;try{if(bool=!!elem.canPlayType){bool=new Boolean(bool);bool.ogg=elem.canPlayType('video/ogg; codecs="theora"').replace(/^no$/,"");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$/,"");bool.mp3=elem.canPlayType("audio/mpeg;").replace(/^no$/,"");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};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};tests["svg"]=function(){return!!document.createElementNS&&!!document.createElementNS(ns.svg,"svg").createSVGRect};tests["inlinesvg"]=function(){var div=document.createElement("div");div.innerHTML="<svg/>";return(div.firstChild&&div.firstChild.namespaceURI)==ns.svg};tests["smil"]=function(){return!!document.createElementNS&&/SVGAnimate/.test(toString.call(document.createElementNS(ns.svg,"animate")))};tests["svgclippaths"]=function(){return!!document.createElementNS&&/SVGClipPath/.test(toString.call(document.createElementNS(ns.svg,"clipPath")))};function webforms(){Modernizr["input"]=function(props){for(var i=0,len=props.length;i<len;i++){attrs[props[i]]=!!(props[i]in inputElem)}if(attrs.list){attrs.list=!!(document.createElement("datalist")&&window.HTMLDataListElement)}return attrs}("autocomplete autofocus list placeholder max min multiple pattern required step".split(" "));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";if(bool){inputElem.value=smile;inputElem.style.cssText="position:absolute;visibility:hidden;";if(/^range$/.test(inputElemType)&&inputElem.style.WebkitAppearance!==undefined){docElement.appendChild(inputElem);defaultView=document.defaultView;bool=defaultView.getComputedStyle&&defaultView.getComputedStyle(inputElem,null).WebkitAppearance!=="textfield"&&inputElem.offsetHeight!==0;docElement.removeChild(inputElem)}else if(/^(search|tel)$/.test(inputElemType)){}else if(/^(url|email)$/.test(inputElemType)){bool=inputElem.checkValidity&&inputElem.checkValidity()===false}else{bool=inputElem.value!=smile}}inputs[props[i]]=!!bool}return inputs}("search tel url email datetime date month week time datetime-local number range color".split(" "))}for(var feature in tests){if(hasOwnProp(tests,feature)){featureName=feature.toLowerCase();Modernizr[featureName]=tests[feature]();classes.push((Modernizr[featureName]?"":"no-")+featureName)}}Modernizr.input||webforms();Modernizr.addTest=function(feature,test){if(typeof feature=="object"){for(var key in feature){if(hasOwnProp(feature,key)){Modernizr.addTest(key,feature[key])}}}else{feature=feature.toLowerCase();if(Modernizr[feature]!==undefined){return Modernizr}test=typeof test=="function"?test():test;if(typeof enableClasses!=="undefined"&&enableClasses){docElement.className+=" "+(test?"":"no-")+feature}Modernizr[feature]=test}return Modernizr};setCss("");modElem=inputElem=null;(function(window,document){var options=window.html5||{};var reSkip=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;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;var supportsHtml5Styles;var expando="_html5shiv";var expanID=0;var expandoData={};var supportsUnknownElements;(function(){try{var a=document.createElement("a");a.innerHTML="<xyz></xyz>";supportsHtml5Styles="hidden"in a;supportsUnknownElements=a.childNodes.length==1||function(){document.createElement("a");var frag=document.createDocumentFragment();return typeof frag.cloneNode=="undefined"||typeof frag.createDocumentFragment=="undefined"||typeof frag.createElement=="undefined"}()}catch(e){supportsHtml5Styles=true;supportsUnknownElements=true}})();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)}function getElements(){var elements=html5.elements;return typeof elements=="string"?elements.split(" "):elements}function getExpandoData(ownerDocument){var data=expandoData[ownerDocument[expando]];if(!data){data={};expanID++;ownerDocument[expando]=expanID;expandoData[expanID]=data}return data}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)}return node.canHaveChildren&&!reSkip.test(nodeName)?data.frag.appendChild(node):node}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}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){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&&("+getElements().join().replace(/\w+/g,function(nodeName){data.createElem(nodeName);data.frag.createElement(nodeName);return'c("'+nodeName+'")'})+");return n}")(html5,data.frag)}function shivDocument(ownerDocument){if(!ownerDocument){ownerDocument=document}var data=getExpandoData(ownerDocument);if(html5.shivCSS&&!supportsHtml5Styles&&!data.hasCSS){data.hasCSS=!!addStyleSheet(ownerDocument,"article,aside,figcaption,figure,footer,header,hgroup,nav,section{display:block}"+"mark{background:#FF0;color:#000}")}if(!supportsUnknownElements){shivMethods(ownerDocument,data)}return ownerDocument}var html5={elements:options.elements||"abbr article aside audio bdi canvas data datalist details figcaption figure footer header hgroup mark meter nav output progress section summary time video",shivCSS:options.shivCSS!==false,supportsUnknownElements:supportsUnknownElements,shivMethods:options.shivMethods!==false,type:"default",shivDocument:shivDocument,createElement:createElement,createDocumentFragment:createDocumentFragment};window.html5=html5;shivDocument(document)})(this,document);Modernizr._version=version;Modernizr._prefixes=prefixes;Modernizr._domPrefixes=domPrefixes;Modernizr._cssomPrefixes=cssomPrefixes;Modernizr.mq=testMediaQuery;Modernizr.hasEvent=isEventSupported;Modernizr.testProp=function(prop){return testProps([prop])};Modernizr.testAllProps=testPropsAll;Modernizr.testStyles=injectElementWithStyles;Modernizr.prefixed=function(prop,obj,elem){if(!obj){return testPropsAll(prop,"pfx")}else{return testPropsAll(prop,obj,elem)}};docElement.className=docElement.className.replace(/(^|\s)no-js(\s|$)/,"$1$2")+(enableClasses?" js "+classes.join(" "):"");return Modernizr}(this,this.document);