/* * Modernizr v2.0.6 * http://www.modernizr.com * * Copyright (c) 2009-2011 Faruk Ates, Paul Irish, Alex Sexton * Dual-licensed under the BSD or 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 * 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 = '2.0.6', Modernizr = {}, // option for enabling the HTML classes to be added enableClasses = true, docElement = document.documentElement, docHead = document.head || document.getElementsByTagName('head')[0], /** * 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 = Object.prototype.toString, // List of property values to set for css tests. See ticket #21 prefixes = ' -webkit- -moz- -o- -ms- -khtml- '.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 foregoes prefixes entirely <= IE8, but appears to // use a lowercase `ms` instead of the correct `Ms` in IE9 // More here: http://github.com/Modernizr/Modernizr/issues/issue/21 domPrefixes = 'Webkit Moz O ms Khtml'.split(' '), ns = { 'svg': 'http://www.w3.org/2000/svg' }, tests = {}, inputs = {}, attrs = {}, classes = [], 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'); 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); } } // '].join(''); div.id = mod; div.innerHTML += style; docElement.appendChild(div); ret = callback(div, rule); div.parentNode.removeChild(div); return !!ret; }, // adapted from matchMedia polyfill // by Scott Jehl and Paul Irish // gist.github.com/786768 testMediaQuery = function(mq) { if (window.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 http://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)); }; } /** * 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; } /** * 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) { var ucProp = prop.charAt(0).toUpperCase() + prop.substr(1), props = (prop + ' ' + domPrefixes.join(ucProp + ' ') + ucProp).split(' '); return testProps(props, prefixed); } /** * 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: https://github.com/Modernizr/Modernizr/issues/288 & https://github.com/Modernizr/Modernizr/issues/293 cssText = 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) || hash['touch'].offsetTop === 9; /*>>touch*/ /*>>csstransforms3d*/Modernizr['csstransforms3d'] = hash['csstransforms3d'].offsetLeft === 9; /*>>csstransforms3d*/ /*>>generatedcontent*/Modernizr['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}}'].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 * ----- */ tests['flexbox'] = function() { /** * setPrefixedValueCSS sets the property of a specified element * adding vendor prefixes to the VALUE of the property. * @param {Element} element * @param {string} property The property name. This will not be prefixed. * @param {string} value The value of the property. This WILL be prefixed. * @param {string=} extra Additional CSS to append unmodified to the end of * the CSS string. */ function setPrefixedValueCSS(element, property, value, extra) { property += ':'; element.style.cssText = (property + prefixes.join(value + ';' + property)).slice(0, -property.length) + (extra || ''); } /** * setPrefixedPropertyCSS sets the property of a specified element * adding vendor prefixes to the NAME of the property. * @param {Element} element * @param {string} property The property name. This WILL be prefixed. * @param {string} value The value of the property. This will not be prefixed. * @param {string=} extra Additional CSS to append unmodified to the end of * the CSS string. */ function setPrefixedPropertyCSS(element, property, value, extra) { element.style.cssText = prefixes.join(property + ':' + value + ';') + (extra || ''); } var c = document.createElement('div'), elem = document.createElement('div'); setPrefixedValueCSS(c, 'display', 'box', 'width:42px;padding:0;'); setPrefixedPropertyCSS(elem, 'box-flex', '1', 'width:10px;'); c.appendChild(elem); docElement.appendChild(c); var ret = elem.offsetWidth === 42; c.removeChild(elem); docElement.removeChild(c); return ret; }; // On the S60 and BB Storm, getContext exists, but always returns undefined // http://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 WebGL test may false positive. // But really it's quite impossible to know whether webgl will succeed until after you create the context. // You might have hardware that can support a 100x100 webgl canvas, but will not support a 1000x1000 webgl // canvas. So this feature inference is weak, but intentionally so. // It is known to false positive in FF4 with certain hardware and the iPad 2. 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: http://crbug.com/36415 * * We also test for Firefox 4 Multitouch Support. * * For more info, see: http://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: * http://code.google.com/p/geo-location-javascript/ * or view a fallback solution using google's geo API: * http://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; }; // Web SQL database detection is tricky: // In chrome incognito mode, openDatabase is truthy, but using it will // throw an exception: http://crbug.com/42380 // We can create a dummy database, but there is no way to delete it afterwards. // Meanwhile, Safari users can get prompted on any database creation. // If they do, any page with Modernizr will give them a prompt: // http://github.com/Modernizr/Modernizr/issues/closed#issue/113 // We have chosen to allow the Chrome incognito false positive, so that Modernizr // doesn't litter the web with these test databases. As a developer, you'll have // to account for this gotcha yourself. tests['websqldatabase'] = function() { var result = !!window.openDatabase; /* if (result){ try { result = !!openDatabase( mod + "testdb", "1.0", mod + "testdb", 2e4); } catch(e) { } } */ return result; }; // 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() { for (var i = -1, len = domPrefixes.length; ++i < len; ) { if (window[domPrefixes[i].toLowerCase() + 'IndexedDB']) { return true; } } return !!window.indexedDB; }; // 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() { return isEventSupported('dragstart') && isEventSupported('drop'); }; // Mozilla is targeting to land MozWebSocket for FF6 // bugzil.la/659324 tests['websockets'] = function() { for (var i = -1, len = domPrefixes.length; ++i < len; ) { if (window[domPrefixes[i] + 'WebSocket']) { return true; } } return 'WebSocket' in window; }; // http://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: http://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 // https://github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632 return /^0.55$/.test(mStyle.opacity); }; tests['cssanimations'] = function() { return testPropsAll('animationName'); }; tests['csscolumns'] = function() { return testPropsAll('columnCount'); }; tests['cssgradients'] = function() { /** * For CSS Gradients syntax, please see: * http://webkit.org/blog/175/introducing-css-gradients/ * https://developer.mozilla.org/en/CSS/-moz-linear-gradient * https://developer.mozilla.org/en/CSS/-moz-radial-gradient * http://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( (str1 + prefixes.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 !!testProps(['transformProperty', 'WebkitTransform', 'MozTransform', 'OTransform', 'msTransform']); }; tests['csstransforms3d'] = function() { var ret = !!testProps(['perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective']); // 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('transitionProperty'); }; /*>>fontface*/ // @font-face detection routine by Diego Perini // http://javascript.nwbox.com/CSSSupport/ 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 : http://github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845 // thx to NielsLeenheer and zcorpan // Note: in FF 3.5.1 and 3.5.0, "no" was a return value instead of empty string. // Modernizr does not normalize for that. 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"'); // Workaround required for IE9, which doesn't report video support without audio codec specified. // bug 599718 @ msft connect var h264 = 'video/mp4; codecs="avc1.42E01E'; bool.h264 = elem.canPlayType(h264 + '"') || elem.canPlayType(h264 + ', mp4a.40.2"'); bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"'); } } 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"'); bool.mp3 = elem.canPlayType('audio/mpeg;'); // Mimetypes accepted: // https://developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements // http://bit.ly/iphoneoscodecs bool.wav = elem.canPlayType('audio/wav; codecs="1"'); bool.m4a = elem.canPlayType('audio/x-m4a;') || elem.canPlayType('audio/aac;'); } } catch (e) { } return bool; }; // Firefox has made these tests rather unfun. // 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 http://bugzil.la/365772 if cookies are disabled // However, in Firefox 4 betas, if dom.storage.enabled == false, just mentioning // the property will throw an exception. http://bugzil.la/599479 // This looks to be fixed for FF4 Final. // Because we are forced to try/catch this, we'll go aggressive. // FWIW: IE8 Compat mode supports these features completely: // http://www.quirksmode.org/dom/html5.html // But IE8 doesn't support either with local files tests['localstorage'] = function() { try { return !!localStorage.getItem; } catch (e) { return false; } }; tests['sessionstorage'] = function() { try { return !!sessionStorage.getItem; } 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 = ''; return (div.firstChild && div.firstChild.namespaceURI) == ns.svg; }; // Thanks to F1lt3r and lucideer, ticket #35 tests['smil'] = function() { return !!document.createElementNS && /SVG/.test(toString.call(document.createElementNS(ns.svg, 'animate'))); }; tests['svgclippaths'] = function() { // Possibly returns a false positive in Safari 3.2? return !!document.createElementNS && /SVG/.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 element created early on // Mike Taylr has created a comprehensive resource for testing these attributes // when applied to all input types: // http://miketaylr.com/code/input-type-attr.html // spec: http://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); } 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. http://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; } test = typeof test == "boolean" ? 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 (and printing) in IE. if (window.attachEvent && (function() { var elem = document.createElement('div'); elem.innerHTML = ''; return elem.childNodes.length !== 1; })()) { // iepp v2 by @jon_neal & afarkas : github.com/aFarkas/iepp/ (function(win, doc) { win.iepp = win.iepp || {}; var iepp = win.iepp, elems = iepp.html5elements || 'abbr|article|aside|audio|canvas|datalist|details|figcaption|figure|footer|header|hgroup|mark|meter|nav|output|progress|section|summary|time|video', elemsArr = elems.split('|'), elemsArrLen = elemsArr.length, elemRegExp = new RegExp('(^|\\s)(' + elems + ')', 'gi'), tagRegExp = new RegExp('<(\/*)(' + elems + ')', 'gi'), filterReg = /^\s*[\{\}]\s*$/, ruleRegExp = new RegExp('(^|[^\\n]*?\\s)(' + elems + ')([^\\n]*)({[\\n\\w\\W]*?})', 'gi'), docFrag = doc.createDocumentFragment(), html = doc.documentElement, head = html.firstChild, bodyElem = doc.createElement('body'), styleElem = doc.createElement('style'), printMedias = /print|all/, body; function shim(doc) { var a = -1; while (++a < elemsArrLen) // Use createElement so IE allows HTML5-named elements in a document doc.createElement(elemsArr[a]); } iepp.getCSS = function(styleSheetList, mediaType) { if (styleSheetList + '' === undefined) { return ''; } var a = -1, len = styleSheetList.length, styleSheet, cssTextArr = []; while (++a < len) { styleSheet = styleSheetList[a]; //currently no test for disabled/alternate stylesheets if (styleSheet.disabled) { continue; } mediaType = styleSheet.media || mediaType; // Get css from all non-screen stylesheets and their imports if (printMedias.test(mediaType)) cssTextArr.push(iepp.getCSS(styleSheet.imports, mediaType), styleSheet.cssText); //reset mediaType to all with every new *not imported* stylesheet mediaType = 'all'; } return cssTextArr.join(''); }; iepp.parseCSS = function(cssText) { var cssTextArr = [], rule; while ((rule = ruleRegExp.exec(cssText)) != null) { // Replace all html5 element references with iepp substitute classnames cssTextArr.push(((filterReg.exec(rule[1]) ? '\n' : rule[1]) + rule[2] + rule[3]).replace(elemRegExp, '$1.iepp_$2') + rule[4]); } return cssTextArr.join('\n'); }; iepp.writeHTML = function() { var a = -1; body = body || doc.body; while (++a < elemsArrLen) { var nodeList = doc.getElementsByTagName(elemsArr[a]), nodeListLen = nodeList.length, b = -1; while (++b < nodeListLen) if (nodeList[b].className.indexOf('iepp_') < 0) // Append iepp substitute classnames to all html5 elements nodeList[b].className += ' iepp_' + elemsArr[a]; } docFrag.appendChild(body); html.appendChild(bodyElem); // Write iepp substitute print-safe document bodyElem.className = body.className; bodyElem.id = body.id; // Replace HTML5 elements with which is print-safe and shouldn't conflict since it isn't part of html5 bodyElem.innerHTML = body.innerHTML.replace(tagRegExp, '<$1font'); }; iepp._beforePrint = function() { // Write iepp custom print CSS styleElem.styleSheet.cssText = iepp.parseCSS(iepp.getCSS(doc.styleSheets, 'all')); iepp.writeHTML(); }; iepp.restoreHTML = function() { // Undo everything done in onbeforeprint bodyElem.innerHTML = ''; html.removeChild(bodyElem); html.appendChild(body); }; iepp._afterPrint = function() { // Undo everything done in onbeforeprint iepp.restoreHTML(); styleElem.styleSheet.cssText = ''; }; // Shim the document and iepp fragment shim(doc); shim(docFrag); // if (iepp.disablePP) { return; } // Add iepp custom print style element head.insertBefore(styleElem, head.firstChild); styleElem.media = 'print'; styleElem.className = 'iepp-printshim'; win.attachEvent( 'onbeforeprint', iepp._beforePrint ); win.attachEvent( 'onafterprint', iepp._afterPrint ); })(window, 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.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', // maybe? // 'transition' : 'transitionEnd' // }, // transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ]; Modernizr.prefixed = function(prop) { return testPropsAll(prop, 'pfx'); }; // Remove "no-js" class from element, if it exists: docElement.className = docElement.className.replace(/\bno-js\b/, '') // Add the new classes to the element. + (enableClasses ? ' js ' + classes.join(' ') : ''); return Modernizr; })(this, this.document);