| /*! |
| * Modernizr v2.5.3 |
| * 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 = '2.5.3', |
| |
| Modernizr = {}, |
| |
| // option for enabling the HTML classes to be added |
| enableClasses = true, |
| |
| 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 = document.createElement('input'), |
| |
| smile = ':)', |
| |
| toString = {}.toString, |
| |
| // List of property values to set for css tests. See ticket #21 |
| prefixes = ' -webkit- -moz- -o- -ms- '.split(' '), |
| |
| // 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(' '), |
| |
| ns = {'svg': 'http://www.w3.org/2000/svg'}, |
| |
| tests = {}, |
| inputs = {}, |
| attrs = {}, |
| |
| classes = [], |
| |
| slice = classes.slice, |
| |
| featureName, // used in testing loop |
| |
| |
| // Inject element with style element and some CSS rules |
| injectElementWithStyles = function( rule, callback, nodes, testnames ) { |
| |
| var style, ret, node, |
| 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 ? 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>', 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 |
| fakeBody.innerHTML += style; |
| fakeBody.appendChild(div); |
| if(!body){ |
| //avoid crashing IE8, if background image is used |
| fakeBody.style.background = ""; |
| 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 |
| !body ? fakeBody.parentNode.removeChild(fakeBody) : div.parentNode.removeChild(div); |
| |
| return !!ret; |
| |
| }, |
| |
| |
| // 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).matches; |
| } |
| |
| var bool; |
| |
| injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) { |
| bool = (window.getComputedStyle ? |
| getComputedStyle(node, null) : |
| node.currentStyle)['position'] == 'absolute'; |
| }); |
| |
| return bool; |
| |
| }, |
| |
| |
| /** |
| * isEventSupported determines if a given element supports the given event |
| * function from yura.thinkweb2.com/isEventSupported/ |
| */ |
| 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; |
| })(); |
| |
| // hasOwnProperty shim by kangax needed for Safari 2.0 support |
| var _hasOwnProperty = ({}).hasOwnProperty, hasOwnProperty; |
| if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) { |
| hasOwnProperty = function (object, property) { |
| return _hasOwnProperty.call(object, property); |
| }; |
| } |
| else { |
| hasOwnProperty = 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')); |
| }; |
| } |
| |
| // Taken from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js |
| // ES-5 15.3.4.5 |
| // http://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); |
| } |
| |
| /** |
| * testProps is a generic CSS / DOM property test; if a browser supports |
| * a certain property, it won't return undefined for it. |
| * A supported CSS property returns empty string when its not yet set. |
| */ |
| function testProps( props, prefixed ) { |
| for ( var i in props ) { |
| if ( mStyle[ props[i] ] !== undefined ) { |
| return prefixed == 'pfx' ? props[i] : true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * 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; |
| } |
| |
| /** |
| * 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.substr(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); |
| } |
| } |
| |
| /** |
| * testBundle tests a list of CSS features that require element and style injection. |
| * By bundling them together we can reduce the need to touch the DOM multiple times. |
| */ |
| /*>>testBundle*/ |
| var testBundle = (function( styles, tests ) { |
| var style = styles.join(''), |
| len = tests.length; |
| |
| injectElementWithStyles(style, function( node, rule ) { |
| var style = document.styleSheets[document.styleSheets.length - 1], |
| // IE8 will bork if you create a custom build that excludes both fontface and generatedcontent tests. |
| // So we check for cssRules and that there is a rule available |
| // More here: github.com/Modernizr/Modernizr/issues/288 & github.com/Modernizr/Modernizr/issues/293 |
| cssText = style ? (style.cssRules && style.cssRules[0] ? style.cssRules[0].cssText : style.cssText || '') : '', |
| children = node.childNodes, hash = {}; |
| |
| while ( len-- ) { |
| hash[children[len].id] = children[len]; |
| } |
| |
| /*>>touch*/ Modernizr['touch'] = ('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch || (hash['touch'] && hash['touch'].offsetTop) === 9; /*>>touch*/ |
| /*>>csstransforms3d*/ Modernizr['csstransforms3d'] = (hash['csstransforms3d'] && hash['csstransforms3d'].offsetLeft) === 9 && hash['csstransforms3d'].offsetHeight === 3; /*>>csstransforms3d*/ |
| /*>>generatedcontent*/Modernizr['generatedcontent'] = (hash['generatedcontent'] && hash['generatedcontent'].offsetHeight) >= 1; /*>>generatedcontent*/ |
| /*>>fontface*/ Modernizr['fontface'] = /src/i.test(cssText) && |
| cssText.indexOf(rule.split(' ')[0]) === 0; /*>>fontface*/ |
| }, len, tests); |
| |
| })([ |
| // Pass in styles to be injected into document |
| /*>>fontface*/ '@font-face {font-family:"font";src:url("https://")}' /*>>fontface*/ |
| |
| /*>>touch*/ ,['@media (',prefixes.join('touch-enabled),('),mod,')', |
| '{#touch{top:9px;position:absolute}}'].join('') /*>>touch*/ |
| |
| /*>>csstransforms3d*/ ,['@media (',prefixes.join('transform-3d),('),mod,')', |
| '{#csstransforms3d{left:9px;position:absolute;height:3px;}}'].join('')/*>>csstransforms3d*/ |
| |
| /*>>generatedcontent*/,['#generatedcontent:after{content:"',smile,'";visibility:hidden}'].join('') /*>>generatedcontent*/ |
| ], |
| [ |
| /*>>fontface*/ 'fontface' /*>>fontface*/ |
| /*>>touch*/ ,'touch' /*>>touch*/ |
| /*>>csstransforms3d*/ ,'csstransforms3d' /*>>csstransforms3d*/ |
| /*>>generatedcontent*/,'generatedcontent' /*>>generatedcontent*/ |
| |
| ]);/*>>testBundle*/ |
| |
| |
| /** |
| * Tests |
| * ----- |
| */ |
| |
| // The *new* flexbox |
| // dev.w3.org/csswg/css3-flexbox |
| |
| tests['flexbox'] = function() { |
| return testPropsAll('flexOrder'); |
| }; |
| |
| // The *old* flexbox |
| // www.w3.org/TR/2009/WD-css3-flexbox-20090723/ |
| |
| tests['flexbox-legacy'] = 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')); |
| }; |
| |
| // this test initiates a new webgl context. |
| // webk.it/70117 is tracking a legit feature detect proposal |
| |
| tests['webgl'] = function() { |
| try { |
| var canvas = document.createElement('canvas'), |
| ret; |
| ret = !!(window.WebGLRenderingContext && (canvas.getContext('experimental-webgl') || canvas.getContext('webgl'))); |
| canvas = undefined; |
| } catch (e){ |
| ret = false; |
| } |
| return ret; |
| }; |
| |
| /* |
| * 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() { |
| return Modernizr['touch']; |
| }; |
| |
| /** |
| * geolocation tests for the new Geolocation API specification. |
| * This test is a standards compliant-only test; for more complete |
| * testing, including a Google Gears fallback, please see: |
| * code.google.com/p/geo-location-javascript/ |
| * or view a fallback solution using google's geo API: |
| * gist.github.com/366184 |
| */ |
| tests['geolocation'] = function() { |
| return !!navigator.geolocation; |
| }; |
| |
| // Per 1.6: |
| // This used to be Modernizr.crosswindowmessaging 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['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); |
| }; |
| |
| // FIXME: Once FF10 is sunsetted, we can drop prefixed MozWebSocket |
| // bugzil.la/695635 |
| tests['websockets'] = function() { |
| for ( var i = -1, len = cssomPrefixes.length; ++i < len; ){ |
| if ( window[cssomPrefixes[i] + 'WebSocket'] ){ |
| return true; |
| } |
| } |
| return 'WebSocket' 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); |
| }; |
| |
| |
| // 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. |
| |
| |
| 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 |
| // daneden.me/2011/12/putting-up-with-androids-bullshit/ |
| 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),(-o-transform-3d),(-moz-transform-3d),(-ms-transform-3d),(-webkit-transform-3d),(modernizr){ ... }` |
| ret = Modernizr['csstransforms3d']; |
| } |
| return ret; |
| }; |
| |
| |
| tests['csstransitions'] = function() { |
| return testPropsAll('transition'); |
| }; |
| |
| |
| /*>>fontface*/ |
| // @font-face detection routine by Diego Perini |
| // javascript.nwbox.com/CSSSupport/ |
| |
| // false positives in WebOS: github.com/Modernizr/Modernizr/issues/342 |
| tests['fontface'] = function() { |
| return Modernizr['fontface']; |
| }; |
| /*>>fontface*/ |
| |
| // CSS generated content detection |
| tests['generatedcontent'] = function() { |
| return Modernizr['generatedcontent']; |
| }; |
| |
| |
| |
| // 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$/,''); |
| |
| 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, attepting 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'))); |
| }; |
| |
| // 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() { |
| // 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(' ')); |
| |
| // 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 doesnt 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)$/.test(inputElemType) ) { |
| // Real url and email support comes with prebaked validation. |
| bool = inputElem.checkValidity && inputElem.checkValidity() === false; |
| |
| } else if ( /^color$/.test(inputElemType) ) { |
| // chuck into DOM and force reflow for Opera bug in 11.00 |
| // github.com/Modernizr/Modernizr/issues#issue/159 |
| docElement.appendChild(inputElem); |
| docElement.offsetWidth; |
| bool = inputElem.value != smile; |
| docElement.removeChild(inputElem); |
| |
| } 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(' ')); |
| } |
| |
| |
| // 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 ( hasOwnProperty(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); |
| } |
| } |
| |
| // input tests need to run. |
| Modernizr.input || 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 ( hasOwnProperty( 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; |
| |
| 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; |
| |
| //>>BEGIN IEPP |
| // Enable HTML 5 elements for styling in IE & add HTML5 css |
| /*! HTML5 Shiv v3.4 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed */ |
| ;(function(window, document) { |
| |
| /** Preset options */ |
| var options = window.html5 || {}; |
| |
| /** Used to skip problem elements */ |
| var reSkip = /^<|^(?:button|form|map|select|textarea)$/i; |
| |
| /** Detect whether the browser supports default html5 styles */ |
| var supportsHtml5Styles; |
| |
| /** Detect whether the browser supports unknown elements */ |
| var supportsUnknownElements; |
| |
| (function() { |
| var a = document.createElement('a'); |
| |
| a.innerHTML = '<xyz></xyz>'; |
| |
| //if the hidden property is implemented we can assume, that the browser supports HTML5 Styles |
| supportsHtml5Styles = ('hidden' in a); |
| supportsUnknownElements = a.childNodes.length == 1 || (function() { |
| // assign a false positive if unable to shiv |
| try { |
| (document.createElement)('a'); |
| } catch(e) { |
| return true; |
| } |
| var frag = document.createDocumentFragment(); |
| return ( |
| typeof frag.cloneNode == 'undefined' || |
| typeof frag.createDocumentFragment == 'undefined' || |
| typeof frag.createElement == 'undefined' |
| ); |
| }()); |
| |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| /** |
| * 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; |
| } |
| |
| /** |
| * Shivs the `createElement` and `createDocumentFragment` methods of the document. |
| * @private |
| * @param {Document|DocumentFragment} ownerDocument The document. |
| */ |
| function shivMethods(ownerDocument) { |
| var cache = {}, |
| docCreateElement = ownerDocument.createElement, |
| docCreateFragment = ownerDocument.createDocumentFragment, |
| frag = docCreateFragment(); |
| |
| ownerDocument.createElement = function(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 |
| var node = (cache[nodeName] || (cache[nodeName] = docCreateElement(nodeName))).cloneNode(); |
| return html5.shivMethods && node.canHaveChildren && !reSkip.test(nodeName) ? frag.appendChild(node) : node; |
| }; |
| |
| 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) { |
| cache[nodeName] = docCreateElement(nodeName); |
| frag.createElement(nodeName); |
| return 'c("' + nodeName + '")'; |
| }) + |
| ');return n}' |
| )(html5, frag); |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| /** |
| * Shivs the given document. |
| * @memberOf html5 |
| * @param {Document} ownerDocument The document to shiv. |
| * @returns {Document} The shived document. |
| */ |
| function shivDocument(ownerDocument) { |
| var shived; |
| if (ownerDocument.documentShived) { |
| return ownerDocument; |
| } |
| if (html5.shivCSS && !supportsHtml5Styles) { |
| shived = !!addStyleSheet(ownerDocument, |
| // corrects block display not defined in IE6/7/8/9 |
| 'article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}' + |
| // corrects audio display not defined in IE6/7/8/9 |
| 'audio{display:none}' + |
| // corrects canvas and video display not defined in IE6/7/8/9 |
| 'canvas,video{display:inline-block;*display:inline;*zoom:1}' + |
| // corrects 'hidden' attribute and audio[controls] display not present in IE7/8/9 |
| '[hidden]{display:none}audio[controls]{display:inline-block;*display:inline;*zoom:1}' + |
| // adds styling not present in IE6/7/8/9 |
| 'mark{background:#FF0;color:#000}' |
| ); |
| } |
| if (!supportsUnknownElements) { |
| shived = !shivMethods(ownerDocument); |
| } |
| if (shived) { |
| ownerDocument.documentShived = shived; |
| } |
| 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 figcaption figure footer header hgroup mark meter nav output progress section summary time video', |
| |
| /** |
| * A flag to indicate that the HTML5 style sheet should be inserted. |
| * @memberOf html5 |
| * @type Boolean |
| */ |
| 'shivCSS': !(options.shivCSS === false), |
| |
| /** |
| * 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 |
| }; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| // expose html5 |
| window.html5 = html5; |
| |
| // shiv the document |
| shivDocument(document); |
| |
| }(this, document)); |
| |
| //>>END IEPP |
| |
| // 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 |
| Modernizr._prefixes = prefixes; |
| Modernizr._domPrefixes = domPrefixes; |
| Modernizr._cssomPrefixes = cssomPrefixes; |
| |
| // 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; |
| |
| // Modernizr.hasEvent() detects support for a given event, with an optional element to test on |
| // Modernizr.hasEvent('gesturestart', elem) |
| Modernizr.hasEvent = isEventSupported; |
| |
| // 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]); |
| }; |
| |
| // 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; |
| |
| |
| |
| // 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; |
| |
| |
| // 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); |
| } |
| }; |
| |
| |
| |
| // 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(' ') : ''); |
| |
| return Modernizr; |
| |
| })(this, this.document); |
