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authorAkshen2018-10-10 10:50:20 +0530
committerAkshen2018-10-10 10:50:20 +0530
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-/*!
- * Modernizr v2.8.2
- * www.modernizr.com
- *
- * Copyright (c) Faruk Ates, Paul Irish, Alex Sexton
- * Available under the BSD and MIT licenses: www.modernizr.com/license/
- */
-
-/*
- * Modernizr tests which native CSS3 and HTML5 features are available in
- * the current UA and makes the results available to you in two ways:
- * as properties on a global Modernizr object, and as classes on the
- * <html> element. This information allows you to progressively enhance
- * your pages with a granular level of control over the experience.
- *
- * Modernizr has an optional (not included) conditional resource loader
- * called Modernizr.load(), based on Yepnope.js (yepnopejs.com).
- * To get a build that includes Modernizr.load(), as well as choosing
- * which tests to include, go to www.modernizr.com/download/
- *
- * Authors Faruk Ates, Paul Irish, Alex Sexton
- * Contributors Ryan Seddon, Ben Alman
- */
-
-window.Modernizr = (function( window, document, undefined ) {
-
- var version = '2.8.2',
-
- Modernizr = {},
-
- /*>>cssclasses*/
- // option for enabling the HTML classes to be added
- enableClasses = true,
- /*>>cssclasses*/
-
- docElement = document.documentElement,
-
- /**
- * Create our "modernizr" element that we do most feature tests on.
- */
- mod = 'modernizr',
- modElem = document.createElement(mod),
- mStyle = modElem.style,
-
- /**
- * Create the input element for various Web Forms feature tests.
- */
- inputElem /*>>inputelem*/ = document.createElement('input') /*>>inputelem*/ ,
-
- /*>>smile*/
- smile = ':)',
- /*>>smile*/
-
- toString = {}.toString,
-
- // TODO :: make the prefixes more granular
- /*>>prefixes*/
- // List of property values to set for css tests. See ticket #21
- prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),
- /*>>prefixes*/
-
- /*>>domprefixes*/
- // Following spec is to expose vendor-specific style properties as:
- // elem.style.WebkitBorderRadius
- // and the following would be incorrect:
- // elem.style.webkitBorderRadius
-
- // Webkit ghosts their properties in lowercase but Opera & Moz do not.
- // Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+
- // erik.eae.net/archives/2008/03/10/21.48.10/
-
- // More here: github.com/Modernizr/Modernizr/issues/issue/21
- omPrefixes = 'Webkit Moz O ms',
-
- cssomPrefixes = omPrefixes.split(' '),
-
- domPrefixes = omPrefixes.toLowerCase().split(' '),
- /*>>domprefixes*/
-
- /*>>ns*/
- ns = {'svg': 'http://www.w3.org/2000/svg'},
- /*>>ns*/
-
- tests = {},
- inputs = {},
- attrs = {},
-
- classes = [],
-
- slice = classes.slice,
-
- featureName, // used in testing loop
-
-
- /*>>teststyles*/
- // Inject element with style element and some CSS rules
- injectElementWithStyles = function( rule, callback, nodes, testnames ) {
-
- var style, ret, node, docOverflow,
- div = document.createElement('div'),
- // After page load injecting a fake body doesn't work so check if body exists
- body = document.body,
- // IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it.
- fakeBody = body || document.createElement('body');
-
- if ( parseInt(nodes, 10) ) {
- // In order not to give false positives we create a node for each test
- // This also allows the method to scale for unspecified uses
- while ( nodes-- ) {
- node = document.createElement('div');
- node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
- div.appendChild(node);
- }
- }
-
- // <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed
- // when injected with innerHTML. To get around this you need to prepend the 'NoScope' element
- // with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements.
- // msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx
- // Documents served as xml will throw if using &shy; so use xml friendly encoded version. See issue #277
- style = ['&#173;','<style id="s', mod, '">', rule, '</style>'].join('');
- div.id = mod;
- // IE6 will false positive on some tests due to the style element inside the test div somehow interfering offsetHeight, so insert it into body or fakebody.
- // Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270
- (body ? div : fakeBody).innerHTML += style;
- fakeBody.appendChild(div);
- if ( !body ) {
- //avoid crashing IE8, if background image is used
- fakeBody.style.background = '';
- //Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible
- fakeBody.style.overflow = 'hidden';
- docOverflow = docElement.style.overflow;
- docElement.style.overflow = 'hidden';
- docElement.appendChild(fakeBody);
- }
-
- ret = callback(div, rule);
- // If this is done after page load we don't want to remove the body so check if body exists
- if ( !body ) {
- fakeBody.parentNode.removeChild(fakeBody);
- docElement.style.overflow = docOverflow;
- } else {
- div.parentNode.removeChild(div);
- }
-
- return !!ret;
-
- },
- /*>>teststyles*/
-
- /*>>mq*/
- // adapted from matchMedia polyfill
- // by Scott Jehl and Paul Irish
- // gist.github.com/786768
- testMediaQuery = function( mq ) {
-
- var matchMedia = window.matchMedia || window.msMatchMedia;
- if ( matchMedia ) {
- return matchMedia(mq) && matchMedia(mq).matches || false;
- }
-
- var bool;
-
- injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) {
- bool = (window.getComputedStyle ?
- getComputedStyle(node, null) :
- node.currentStyle)['position'] == 'absolute';
- });
-
- return bool;
-
- },
- /*>>mq*/
-
-
- /*>>hasevent*/
- //
- // isEventSupported determines if a given element supports the given event
- // kangax.github.com/iseventsupported/
- //
- // The following results are known incorrects:
- // Modernizr.hasEvent("webkitTransitionEnd", elem) // false negative
- // Modernizr.hasEvent("textInput") // in Webkit. github.com/Modernizr/Modernizr/issues/333
- // ...
- isEventSupported = (function() {
-
- var TAGNAMES = {
- 'select': 'input', 'change': 'input',
- 'submit': 'form', 'reset': 'form',
- 'error': 'img', 'load': 'img', 'abort': 'img'
- };
-
- function isEventSupported( eventName, element ) {
-
- element = element || document.createElement(TAGNAMES[eventName] || 'div');
- eventName = 'on' + eventName;
-
- // When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those
- var isSupported = eventName in element;
-
- if ( !isSupported ) {
- // If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element
- if ( !element.setAttribute ) {
- element = document.createElement('div');
- }
- if ( element.setAttribute && element.removeAttribute ) {
- element.setAttribute(eventName, '');
- isSupported = is(element[eventName], 'function');
-
- // If property was created, "remove it" (by setting value to `undefined`)
- if ( !is(element[eventName], 'undefined') ) {
- element[eventName] = undefined;
- }
- element.removeAttribute(eventName);
- }
- }
-
- element = null;
- return isSupported;
- }
- return isEventSupported;
- })(),
- /*>>hasevent*/
-
- // TODO :: Add flag for hasownprop ? didn't last time
-
- // hasOwnProperty shim by kangax needed for Safari 2.0 support
- _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp;
-
- if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) {
- hasOwnProp = function (object, property) {
- return _hasOwnProperty.call(object, property);
- };
- }
- else {
- hasOwnProp = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */
- return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
- };
- }
-
- // Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js
- // es5.github.com/#x15.3.4.5
-
- if (!Function.prototype.bind) {
- Function.prototype.bind = function bind(that) {
-
- var target = this;
-
- if (typeof target != "function") {
- throw new TypeError();
- }
-
- var args = slice.call(arguments, 1),
- bound = function () {
-
- if (this instanceof bound) {
-
- var F = function(){};
- F.prototype = target.prototype;
- var self = new F();
-
- var result = target.apply(
- self,
- args.concat(slice.call(arguments))
- );
- if (Object(result) === result) {
- return result;
- }
- return self;
-
- } else {
-
- return target.apply(
- that,
- args.concat(slice.call(arguments))
- );
-
- }
-
- };
-
- return bound;
- };
- }
-
- /**
- * setCss applies given styles to the Modernizr DOM node.
- */
- function setCss( str ) {
- mStyle.cssText = str;
- }
-
- /**
- * setCssAll extrapolates all vendor-specific css strings.
- */
- function setCssAll( str1, str2 ) {
- return setCss(prefixes.join(str1 + ';') + ( str2 || '' ));
- }
-
- /**
- * is returns a boolean for if typeof obj is exactly type.
- */
- function is( obj, type ) {
- return typeof obj === type;
- }
-
- /**
- * contains returns a boolean for if substr is found within str.
- */
- function contains( str, substr ) {
- return !!~('' + str).indexOf(substr);
- }
-
- /*>>testprop*/
-
- // testProps is a generic CSS / DOM property test.
-
- // In testing support for a given CSS property, it's legit to test:
- // `elem.style[styleName] !== undefined`
- // If the property is supported it will return an empty string,
- // if unsupported it will return undefined.
-
- // We'll take advantage of this quick test and skip setting a style
- // on our modernizr element, but instead just testing undefined vs
- // empty string.
-
- // Because the testing of the CSS property names (with "-", as
- // opposed to the camelCase DOM properties) is non-portable and
- // non-standard but works in WebKit and IE (but not Gecko or Opera),
- // we explicitly reject properties with dashes so that authors
- // developing in WebKit or IE first don't end up with
- // browser-specific content by accident.
-
- function testProps( props, prefixed ) {
- for ( var i in props ) {
- var prop = props[i];
- if ( !contains(prop, "-") && mStyle[prop] !== undefined ) {
- return prefixed == 'pfx' ? prop : true;
- }
- }
- return false;
- }
- /*>>testprop*/
-
- // TODO :: add testDOMProps
- /**
- * testDOMProps is a generic DOM property test; if a browser supports
- * a certain property, it won't return undefined for it.
- */
- function testDOMProps( props, obj, elem ) {
- for ( var i in props ) {
- var item = obj[props[i]];
- if ( item !== undefined) {
-
- // return the property name as a string
- if (elem === false) return props[i];
-
- // let's bind a function
- if (is(item, 'function')){
- // default to autobind unless override
- return item.bind(elem || obj);
- }
-
- // return the unbound function or obj or value
- return item;
- }
- }
- return false;
- }
-
- /*>>testallprops*/
- /**
- * testPropsAll tests a list of DOM properties we want to check against.
- * We specify literally ALL possible (known and/or likely) properties on
- * the element including the non-vendor prefixed one, for forward-
- * compatibility.
- */
- function testPropsAll( prop, prefixed, elem ) {
-
- var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1),
- props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');
-
- // did they call .prefixed('boxSizing') or are we just testing a prop?
- if(is(prefixed, "string") || is(prefixed, "undefined")) {
- return testProps(props, prefixed);
-
- // otherwise, they called .prefixed('requestAnimationFrame', window[, elem])
- } else {
- props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
- return testDOMProps(props, prefixed, elem);
- }
- }
- /*>>testallprops*/
-
-
- /**
- * Tests
- * -----
- */
-
- // The *new* flexbox
- // dev.w3.org/csswg/css3-flexbox
-
- tests['flexbox'] = function() {
- return testPropsAll('flexWrap');
- };
-
- // The *old* flexbox
- // www.w3.org/TR/2009/WD-css3-flexbox-20090723/
-
- tests['flexboxlegacy'] = function() {
- return testPropsAll('boxDirection');
- };
-
- // On the S60 and BB Storm, getContext exists, but always returns undefined
- // so we actually have to call getContext() to verify
- // github.com/Modernizr/Modernizr/issues/issue/97/
-
- tests['canvas'] = function() {
- var elem = document.createElement('canvas');
- return !!(elem.getContext && elem.getContext('2d'));
- };
-
- tests['canvastext'] = function() {
- return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function'));
- };
-
- // webk.it/70117 is tracking a legit WebGL feature detect proposal
-
- // We do a soft detect which may false positive in order to avoid
- // an expensive context creation: bugzil.la/732441
-
- tests['webgl'] = function() {
- return !!window.WebGLRenderingContext;
- };
-
- /*
- * The Modernizr.touch test only indicates if the browser supports
- * touch events, which does not necessarily reflect a touchscreen
- * device, as evidenced by tablets running Windows 7 or, alas,
- * the Palm Pre / WebOS (touch) phones.
- *
- * Additionally, Chrome (desktop) used to lie about its support on this,
- * but that has since been rectified: crbug.com/36415
- *
- * We also test for Firefox 4 Multitouch Support.
- *
- * For more info, see: modernizr.github.com/Modernizr/touch.html
- */
-
- tests['touch'] = function() {
- var bool;
-
- if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) {
- bool = true;
- } else {
- injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) {
- bool = node.offsetTop === 9;
- });
- }
-
- return bool;
- };
-
-
- // geolocation is often considered a trivial feature detect...
- // Turns out, it's quite tricky to get right:
- //
- // Using !!navigator.geolocation does two things we don't want. It:
- // 1. Leaks memory in IE9: github.com/Modernizr/Modernizr/issues/513
- // 2. Disables page caching in WebKit: webk.it/43956
- //
- // Meanwhile, in Firefox < 8, an about:config setting could expose
- // a false positive that would throw an exception: bugzil.la/688158
-
- tests['geolocation'] = function() {
- return 'geolocation' in navigator;
- };
-
-
- tests['postmessage'] = function() {
- return !!window.postMessage;
- };
-
-
- // Chrome incognito mode used to throw an exception when using openDatabase
- // It doesn't anymore.
- tests['websqldatabase'] = function() {
- return !!window.openDatabase;
- };
-
- // Vendors had inconsistent prefixing with the experimental Indexed DB:
- // - Webkit's implementation is accessible through webkitIndexedDB
- // - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB
- // For speed, we don't test the legacy (and beta-only) indexedDB
- tests['indexedDB'] = function() {
- return !!testPropsAll("indexedDB", window);
- };
-
- // documentMode logic from YUI to filter out IE8 Compat Mode
- // which false positives.
- tests['hashchange'] = function() {
- return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7);
- };
-
- // Per 1.6:
- // This used to be Modernizr.historymanagement but the longer
- // name has been deprecated in favor of a shorter and property-matching one.
- // The old API is still available in 1.6, but as of 2.0 will throw a warning,
- // and in the first release thereafter disappear entirely.
- tests['history'] = function() {
- return !!(window.history && history.pushState);
- };
-
- tests['draganddrop'] = function() {
- var div = document.createElement('div');
- return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div);
- };
-
- // FF3.6 was EOL'ed on 4/24/12, but the ESR version of FF10
- // will be supported until FF19 (2/12/13), at which time, ESR becomes FF17.
- // FF10 still uses prefixes, so check for it until then.
- // for more ESR info, see: mozilla.org/en-US/firefox/organizations/faq/
- tests['websockets'] = function() {
- return 'WebSocket' in window || 'MozWebSocket' in window;
- };
-
-
- // css-tricks.com/rgba-browser-support/
- tests['rgba'] = function() {
- // Set an rgba() color and check the returned value
-
- setCss('background-color:rgba(150,255,150,.5)');
-
- return contains(mStyle.backgroundColor, 'rgba');
- };
-
- tests['hsla'] = function() {
- // Same as rgba(), in fact, browsers re-map hsla() to rgba() internally,
- // except IE9 who retains it as hsla
-
- setCss('background-color:hsla(120,40%,100%,.5)');
-
- return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla');
- };
-
- tests['multiplebgs'] = function() {
- // Setting multiple images AND a color on the background shorthand property
- // and then querying the style.background property value for the number of
- // occurrences of "url(" is a reliable method for detecting ACTUAL support for this!
-
- setCss('background:url(https://),url(https://),red url(https://)');
-
- // If the UA supports multiple backgrounds, there should be three occurrences
- // of the string "url(" in the return value for elemStyle.background
-
- return (/(url\s*\(.*?){3}/).test(mStyle.background);
- };
-
-
-
- // this will false positive in Opera Mini
- // github.com/Modernizr/Modernizr/issues/396
-
- tests['backgroundsize'] = function() {
- return testPropsAll('backgroundSize');
- };
-
- tests['borderimage'] = function() {
- return testPropsAll('borderImage');
- };
-
-
- // Super comprehensive table about all the unique implementations of
- // border-radius: muddledramblings.com/table-of-css3-border-radius-compliance
-
- tests['borderradius'] = function() {
- return testPropsAll('borderRadius');
- };
-
- // WebOS unfortunately false positives on this test.
- tests['boxshadow'] = function() {
- return testPropsAll('boxShadow');
- };
-
- // FF3.0 will false positive on this test
- tests['textshadow'] = function() {
- return document.createElement('div').style.textShadow === '';
- };
-
-
- tests['opacity'] = function() {
- // Browsers that actually have CSS Opacity implemented have done so
- // according to spec, which means their return values are within the
- // range of [0.0,1.0] - including the leading zero.
-
- setCssAll('opacity:.55');
-
- // The non-literal . in this regex is intentional:
- // German Chrome returns this value as 0,55
- // github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632
- return (/^0.55$/).test(mStyle.opacity);
- };
-
-
- // Note, Android < 4 will pass this test, but can only animate
- // a single property at a time
- // goo.gl/v3V4Gp
- tests['cssanimations'] = function() {
- return testPropsAll('animationName');
- };
-
-
- tests['csscolumns'] = function() {
- return testPropsAll('columnCount');
- };
-
-
- tests['cssgradients'] = function() {
- /**
- * For CSS Gradients syntax, please see:
- * webkit.org/blog/175/introducing-css-gradients/
- * developer.mozilla.org/en/CSS/-moz-linear-gradient
- * developer.mozilla.org/en/CSS/-moz-radial-gradient
- * dev.w3.org/csswg/css3-images/#gradients-
- */
-
- var str1 = 'background-image:',
- str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));',
- str3 = 'linear-gradient(left top,#9f9, white);';
-
- setCss(
- // legacy webkit syntax (FIXME: remove when syntax not in use anymore)
- (str1 + '-webkit- '.split(' ').join(str2 + str1) +
- // standard syntax // trailing 'background-image:'
- prefixes.join(str3 + str1)).slice(0, -str1.length)
- );
-
- return contains(mStyle.backgroundImage, 'gradient');
- };
-
-
- tests['cssreflections'] = function() {
- return testPropsAll('boxReflect');
- };
-
-
- tests['csstransforms'] = function() {
- return !!testPropsAll('transform');
- };
-
-
- tests['csstransforms3d'] = function() {
-
- var ret = !!testPropsAll('perspective');
-
- // Webkit's 3D transforms are passed off to the browser's own graphics renderer.
- // It works fine in Safari on Leopard and Snow Leopard, but not in Chrome in
- // some conditions. As a result, Webkit typically recognizes the syntax but
- // will sometimes throw a false positive, thus we must do a more thorough check:
- if ( ret && 'webkitPerspective' in docElement.style ) {
-
- // Webkit allows this media query to succeed only if the feature is enabled.
- // `@media (transform-3d),(-webkit-transform-3d){ ... }`
- injectElementWithStyles('@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}', function( node, rule ) {
- ret = node.offsetLeft === 9 && node.offsetHeight === 3;
- });
- }
- return ret;
- };
-
-
- tests['csstransitions'] = function() {
- return testPropsAll('transition');
- };
-
-
- /*>>fontface*/
- // @font-face detection routine by Diego Perini
- // javascript.nwbox.com/CSSSupport/
-
- // false positives:
- // WebOS github.com/Modernizr/Modernizr/issues/342
- // WP7 github.com/Modernizr/Modernizr/issues/538
- tests['fontface'] = function() {
- var bool;
-
- injectElementWithStyles('@font-face {font-family:"font";src:url("https://")}', function( node, rule ) {
- var style = document.getElementById('smodernizr'),
- sheet = style.sheet || style.styleSheet,
- cssText = sheet ? (sheet.cssRules && sheet.cssRules[0] ? sheet.cssRules[0].cssText : sheet.cssText || '') : '';
-
- bool = /src/i.test(cssText) && cssText.indexOf(rule.split(' ')[0]) === 0;
- });
-
- return bool;
- };
- /*>>fontface*/
-
- // CSS generated content detection
- tests['generatedcontent'] = function() {
- var bool;
-
- injectElementWithStyles(['#',mod,'{font:0/0 a}#',mod,':after{content:"',smile,'";visibility:hidden;font:3px/1 a}'].join(''), function( node ) {
- bool = node.offsetHeight >= 3;
- });
-
- return bool;
- };
-
-
-
- // These tests evaluate support of the video/audio elements, as well as
- // testing what types of content they support.
- //
- // We're using the Boolean constructor here, so that we can extend the value
- // e.g. Modernizr.video // true
- // Modernizr.video.ogg // 'probably'
- //
- // Codec values from : github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845
- // thx to NielsLeenheer and zcorpan
-
- // Note: in some older browsers, "no" was a return value instead of empty string.
- // It was live in FF3.5.0 and 3.5.1, but fixed in 3.5.2
- // It was also live in Safari 4.0.0 - 4.0.4, but fixed in 4.0.5
-
- tests['video'] = function() {
- var elem = document.createElement('video'),
- bool = false;
-
- // IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224
- try {
- if ( bool = !!elem.canPlayType ) {
- bool = new Boolean(bool);
- bool.ogg = elem.canPlayType('video/ogg; codecs="theora"') .replace(/^no$/,'');
-
- // Without QuickTime, this value will be `undefined`. github.com/Modernizr/Modernizr/issues/546
- bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,'');
-
- bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,'');
- }
-
- } catch(e) { }
-
- return bool;
- };
-
- tests['audio'] = function() {
- var elem = document.createElement('audio'),
- bool = false;
-
- try {
- if ( bool = !!elem.canPlayType ) {
- bool = new Boolean(bool);
- bool.ogg = elem.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,'');
- bool.mp3 = elem.canPlayType('audio/mpeg;') .replace(/^no$/,'');
-
- // Mimetypes accepted:
- // developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements
- // bit.ly/iphoneoscodecs
- bool.wav = elem.canPlayType('audio/wav; codecs="1"') .replace(/^no$/,'');
- bool.m4a = ( elem.canPlayType('audio/x-m4a;') ||
- elem.canPlayType('audio/aac;')) .replace(/^no$/,'');
- }
- } catch(e) { }
-
- return bool;
- };
-
-
- // In FF4, if disabled, window.localStorage should === null.
-
- // Normally, we could not test that directly and need to do a
- // `('localStorage' in window) && ` test first because otherwise Firefox will
- // throw bugzil.la/365772 if cookies are disabled
-
- // Also in iOS5 Private Browsing mode, attempting to use localStorage.setItem
- // will throw the exception:
- // QUOTA_EXCEEDED_ERRROR DOM Exception 22.
- // Peculiarly, getItem and removeItem calls do not throw.
-
- // Because we are forced to try/catch this, we'll go aggressive.
-
- // Just FWIW: IE8 Compat mode supports these features completely:
- // www.quirksmode.org/dom/html5.html
- // But IE8 doesn't support either with local files
-
- tests['localstorage'] = function() {
- try {
- localStorage.setItem(mod, mod);
- localStorage.removeItem(mod);
- return true;
- } catch(e) {
- return false;
- }
- };
-
- tests['sessionstorage'] = function() {
- try {
- sessionStorage.setItem(mod, mod);
- sessionStorage.removeItem(mod);
- return true;
- } catch(e) {
- return false;
- }
- };
-
-
- tests['webworkers'] = function() {
- return !!window.Worker;
- };
-
-
- tests['applicationcache'] = function() {
- return !!window.applicationCache;
- };
-
-
- // Thanks to Erik Dahlstrom
- tests['svg'] = function() {
- return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect;
- };
-
- // specifically for SVG inline in HTML, not within XHTML
- // test page: paulirish.com/demo/inline-svg
- tests['inlinesvg'] = function() {
- var div = document.createElement('div');
- div.innerHTML = '<svg/>';
- return (div.firstChild && div.firstChild.namespaceURI) == ns.svg;
- };
-
- // SVG SMIL animation
- tests['smil'] = function() {
- return !!document.createElementNS && /SVGAnimate/.test(toString.call(document.createElementNS(ns.svg, 'animate')));
- };
-
- // This test is only for clip paths in SVG proper, not clip paths on HTML content
- // demo: srufaculty.sru.edu/david.dailey/svg/newstuff/clipPath4.svg
-
- // However read the comments to dig into applying SVG clippaths to HTML content here:
- // github.com/Modernizr/Modernizr/issues/213#issuecomment-1149491
- tests['svgclippaths'] = function() {
- return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath')));
- };
-
- /*>>webforms*/
- // input features and input types go directly onto the ret object, bypassing the tests loop.
- // Hold this guy to execute in a moment.
- function webforms() {
- /*>>input*/
- // Run through HTML5's new input attributes to see if the UA understands any.
- // We're using f which is the <input> element created early on
- // Mike Taylr has created a comprehensive resource for testing these attributes
- // when applied to all input types:
- // miketaylr.com/code/input-type-attr.html
- // spec: www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary
-
- // Only input placeholder is tested while textarea's placeholder is not.
- // Currently Safari 4 and Opera 11 have support only for the input placeholder
- // Both tests are available in feature-detects/forms-placeholder.js
- Modernizr['input'] = (function( props ) {
- for ( var i = 0, len = props.length; i < len; i++ ) {
- attrs[ props[i] ] = !!(props[i] in inputElem);
- }
- if (attrs.list){
- // safari false positive's on datalist: webk.it/74252
- // see also github.com/Modernizr/Modernizr/issues/146
- attrs.list = !!(document.createElement('datalist') && window.HTMLDataListElement);
- }
- return attrs;
- })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' '));
- /*>>input*/
-
- /*>>inputtypes*/
- // Run through HTML5's new input types to see if the UA understands any.
- // This is put behind the tests runloop because it doesn't return a
- // true/false like all the other tests; instead, it returns an object
- // containing each input type with its corresponding true/false value
-
- // Big thanks to @miketaylr for the html5 forms expertise. miketaylr.com/
- Modernizr['inputtypes'] = (function(props) {
-
- for ( var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++ ) {
-
- inputElem.setAttribute('type', inputElemType = props[i]);
- bool = inputElem.type !== 'text';
-
- // We first check to see if the type we give it sticks..
- // If the type does, we feed it a textual value, which shouldn't be valid.
- // If the value doesn't stick, we know there's input sanitization which infers a custom UI
- if ( bool ) {
-
- inputElem.value = smile;
- inputElem.style.cssText = 'position:absolute;visibility:hidden;';
-
- if ( /^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined ) {
-
- docElement.appendChild(inputElem);
- defaultView = document.defaultView;
-
- // Safari 2-4 allows the smiley as a value, despite making a slider
- bool = defaultView.getComputedStyle &&
- defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' &&
- // Mobile android web browser has false positive, so must
- // check the height to see if the widget is actually there.
- (inputElem.offsetHeight !== 0);
-
- docElement.removeChild(inputElem);
-
- } else if ( /^(search|tel)$/.test(inputElemType) ){
- // Spec doesn't define any special parsing or detectable UI
- // behaviors so we pass these through as true
-
- // Interestingly, opera fails the earlier test, so it doesn't
- // even make it here.
-
- } else if ( /^(url|email)$/.test(inputElemType) ) {
- // Real url and email support comes with prebaked validation.
- bool = inputElem.checkValidity && inputElem.checkValidity() === false;
-
- } else {
- // If the upgraded input compontent rejects the :) text, we got a winner
- bool = inputElem.value != smile;
- }
- }
-
- inputs[ props[i] ] = !!bool;
- }
- return inputs;
- })('search tel url email datetime date month week time datetime-local number range color'.split(' '));
- /*>>inputtypes*/
- }
- /*>>webforms*/
-
-
- // End of test definitions
- // -----------------------
-
-
-
- // Run through all tests and detect their support in the current UA.
- // todo: hypothetically we could be doing an array of tests and use a basic loop here.
- for ( var feature in tests ) {
- if ( hasOwnProp(tests, feature) ) {
- // run the test, throw the return value into the Modernizr,
- // then based on that boolean, define an appropriate className
- // and push it into an array of classes we'll join later.
- featureName = feature.toLowerCase();
- Modernizr[featureName] = tests[feature]();
-
- classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
- }
- }
-
- /*>>webforms*/
- // input tests need to run.
- Modernizr.input || webforms();
- /*>>webforms*/
-
-
- /**
- * addTest allows the user to define their own feature tests
- * the result will be added onto the Modernizr object,
- * as well as an appropriate className set on the html element
- *
- * @param feature - String naming the feature
- * @param test - Function returning true if feature is supported, false if not
- */
- Modernizr.addTest = function ( feature, test ) {
- if ( typeof feature == 'object' ) {
- for ( var key in feature ) {
- if ( hasOwnProp( feature, key ) ) {
- Modernizr.addTest( key, feature[ key ] );
- }
- }
- } else {
-
- feature = feature.toLowerCase();
-
- if ( Modernizr[feature] !== undefined ) {
- // we're going to quit if you're trying to overwrite an existing test
- // if we were to allow it, we'd do this:
- // var re = new RegExp("\\b(no-)?" + feature + "\\b");
- // docElement.className = docElement.className.replace( re, '' );
- // but, no rly, stuff 'em.
- return Modernizr;
- }
-
- test = typeof test == 'function' ? test() : test;
-
- if (typeof enableClasses !== "undefined" && enableClasses) {
- docElement.className += ' ' + (test ? '' : 'no-') + feature;
- }
- Modernizr[feature] = test;
-
- }
-
- return Modernizr; // allow chaining.
- };
-
-
- // Reset modElem.cssText to nothing to reduce memory footprint.
- setCss('');
- modElem = inputElem = null;
-
- /*>>shiv*/
- /**
- * @preserve HTML5 Shiv prev3.7.1 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
- */
- ;(function(window, document) {
- /*jshint evil:true */
- /** version */
- var version = '3.7.0';
-
- /** Preset options */
- var options = window.html5 || {};
-
- /** Used to skip problem elements */
- var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
-
- /** Not all elements can be cloned in IE **/
- var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
-
- /** Detect whether the browser supports default html5 styles */
- var supportsHtml5Styles;
-
- /** Name of the expando, to work with multiple documents or to re-shiv one document */
- var expando = '_html5shiv';
-
- /** The id for the the documents expando */
- var expanID = 0;
-
- /** Cached data for each document */
- var expandoData = {};
-
- /** Detect whether the browser supports unknown elements */
- var supportsUnknownElements;
-
- (function() {
- try {
- var a = document.createElement('a');
- a.innerHTML = '<xyz></xyz>';
- //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
- supportsHtml5Styles = ('hidden' in a);
-
- supportsUnknownElements = a.childNodes.length == 1 || (function() {
- // assign a false positive if unable to shiv
- (document.createElement)('a');
- var frag = document.createDocumentFragment();
- return (
- typeof frag.cloneNode == 'undefined' ||
- typeof frag.createDocumentFragment == 'undefined' ||
- typeof frag.createElement == 'undefined'
- );
- }());
- } catch(e) {
- // assign a false positive if detection fails => unable to shiv
- supportsHtml5Styles = true;
- supportsUnknownElements = true;
- }
-
- }());
-
- /*--------------------------------------------------------------------------*/
-
- /**
- * Creates a style sheet with the given CSS text and adds it to the document.
- * @private
- * @param {Document} ownerDocument The document.
- * @param {String} cssText The CSS text.
- * @returns {StyleSheet} The style element.
- */
- function addStyleSheet(ownerDocument, cssText) {
- var p = ownerDocument.createElement('p'),
- parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
-
- p.innerHTML = 'x<style>' + cssText + '</style>';
- return parent.insertBefore(p.lastChild, parent.firstChild);
- }
-
- /**
- * Returns the value of `html5.elements` as an array.
- * @private
- * @returns {Array} An array of shived element node names.
- */
- function getElements() {
- var elements = html5.elements;
- return typeof elements == 'string' ? elements.split(' ') : elements;
- }
-
- /**
- * Returns the data associated to the given document
- * @private
- * @param {Document} ownerDocument The document.
- * @returns {Object} An object of data.
- */
- function getExpandoData(ownerDocument) {
- var data = expandoData[ownerDocument[expando]];
- if (!data) {
- data = {};
- expanID++;
- ownerDocument[expando] = expanID;
- expandoData[expanID] = data;
- }
- return data;
- }
-
- /**
- * returns a shived element for the given nodeName and document
- * @memberOf html5
- * @param {String} nodeName name of the element
- * @param {Document} ownerDocument The context document.
- * @returns {Object} The shived element.
- */
- function createElement(nodeName, ownerDocument, data){
- if (!ownerDocument) {
- ownerDocument = document;
- }
- if(supportsUnknownElements){
- return ownerDocument.createElement(nodeName);
- }
- if (!data) {
- data = getExpandoData(ownerDocument);
- }
- var node;
-
- if (data.cache[nodeName]) {
- node = data.cache[nodeName].cloneNode();
- } else if (saveClones.test(nodeName)) {
- node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
- } else {
- node = data.createElem(nodeName);
- }
-
- // Avoid adding some elements to fragments in IE < 9 because
- // * Attributes like `name` or `type` cannot be set/changed once an element
- // is inserted into a document/fragment
- // * Link elements with `src` attributes that are inaccessible, as with
- // a 403 response, will cause the tab/window to crash
- // * Script elements appended to fragments will execute when their `src`
- // or `text` property is set
- return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
- }
-
- /**
- * returns a shived DocumentFragment for the given document
- * @memberOf html5
- * @param {Document} ownerDocument The context document.
- * @returns {Object} The shived DocumentFragment.
- */
- function createDocumentFragment(ownerDocument, data){
- if (!ownerDocument) {
- ownerDocument = document;
- }
- if(supportsUnknownElements){
- return ownerDocument.createDocumentFragment();
- }
- data = data || getExpandoData(ownerDocument);
- var clone = data.frag.cloneNode(),
- i = 0,
- elems = getElements(),
- l = elems.length;
- for(;i<l;i++){
- clone.createElement(elems[i]);
- }
- return clone;
- }
-
- /**
- * Shivs the `createElement` and `createDocumentFragment` methods of the document.
- * @private
- * @param {Document|DocumentFragment} ownerDocument The document.
- * @param {Object} data of the document.
- */
- function shivMethods(ownerDocument, data) {
- if (!data.cache) {
- data.cache = {};
- data.createElem = ownerDocument.createElement;
- data.createFrag = ownerDocument.createDocumentFragment;
- data.frag = data.createFrag();
- }
-
-
- ownerDocument.createElement = function(nodeName) {
- //abort shiv
- if (!html5.shivMethods) {
- return data.createElem(nodeName);
- }
- return createElement(nodeName, ownerDocument, data);
- };
-
- ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
- 'var n=f.cloneNode(),c=n.createElement;' +
- 'h.shivMethods&&(' +
- // unroll the `createElement` calls
- getElements().join().replace(/[\w\-]+/g, function(nodeName) {
- data.createElem(nodeName);
- data.frag.createElement(nodeName);
- return 'c("' + nodeName + '")';
- }) +
- ');return n}'
- )(html5, data.frag);
- }
-
- /*--------------------------------------------------------------------------*/
-
- /**
- * Shivs the given document.
- * @memberOf html5
- * @param {Document} ownerDocument The document to shiv.
- * @returns {Document} The shived document.
- */
- function shivDocument(ownerDocument) {
- if (!ownerDocument) {
- ownerDocument = document;
- }
- var data = getExpandoData(ownerDocument);
-
- if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
- data.hasCSS = !!addStyleSheet(ownerDocument,
- // corrects block display not defined in IE6/7/8/9
- 'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
- // adds styling not present in IE6/7/8/9
- 'mark{background:#FF0;color:#000}' +
- // hides non-rendered elements
- 'template{display:none}'
- );
- }
- if (!supportsUnknownElements) {
- shivMethods(ownerDocument, data);
- }
- return ownerDocument;
- }
-
- /*--------------------------------------------------------------------------*/
-
- /**
- * The `html5` object is exposed so that more elements can be shived and
- * existing shiving can be detected on iframes.
- * @type Object
- * @example
- *
- * // options can be changed before the script is included
- * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
- */
- var html5 = {
-
- /**
- * An array or space separated string of node names of the elements to shiv.
- * @memberOf html5
- * @type Array|String
- */
- 'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video',
-
- /**
- * current version of html5shiv
- */
- 'version': version,
-
- /**
- * A flag to indicate that the HTML5 style sheet should be inserted.
- * @memberOf html5
- * @type Boolean
- */
- 'shivCSS': (options.shivCSS !== false),
-
- /**
- * Is equal to true if a browser supports creating unknown/HTML5 elements
- * @memberOf html5
- * @type boolean
- */
- 'supportsUnknownElements': supportsUnknownElements,
-
- /**
- * A flag to indicate that the document's `createElement` and `createDocumentFragment`
- * methods should be overwritten.
- * @memberOf html5
- * @type Boolean
- */
- 'shivMethods': (options.shivMethods !== false),
-
- /**
- * A string to describe the type of `html5` object ("default" or "default print").
- * @memberOf html5
- * @type String
- */
- 'type': 'default',
-
- // shivs the document according to the specified `html5` object options
- 'shivDocument': shivDocument,
-
- //creates a shived element
- createElement: createElement,
-
- //creates a shived documentFragment
- createDocumentFragment: createDocumentFragment
- };
-
- /*--------------------------------------------------------------------------*/
-
- // expose html5
- window.html5 = html5;
-
- // shiv the document
- shivDocument(document);
-
- }(this, document));
- /*>>shiv*/
-
- // Assign private properties to the return object with prefix
- Modernizr._version = version;
-
- // expose these for the plugin API. Look in the source for how to join() them against your input
- /*>>prefixes*/
- Modernizr._prefixes = prefixes;
- /*>>prefixes*/
- /*>>domprefixes*/
- Modernizr._domPrefixes = domPrefixes;
- Modernizr._cssomPrefixes = cssomPrefixes;
- /*>>domprefixes*/
-
- /*>>mq*/
- // Modernizr.mq tests a given media query, live against the current state of the window
- // A few important notes:
- // * If a browser does not support media queries at all (eg. oldIE) the mq() will always return false
- // * A max-width or orientation query will be evaluated against the current state, which may change later.
- // * You must specify values. Eg. If you are testing support for the min-width media query use:
- // Modernizr.mq('(min-width:0)')
- // usage:
- // Modernizr.mq('only screen and (max-width:768)')
- Modernizr.mq = testMediaQuery;
- /*>>mq*/
-
- /*>>hasevent*/
- // Modernizr.hasEvent() detects support for a given event, with an optional element to test on
- // Modernizr.hasEvent('gesturestart', elem)
- Modernizr.hasEvent = isEventSupported;
- /*>>hasevent*/
-
- /*>>testprop*/
- // Modernizr.testProp() investigates whether a given style property is recognized
- // Note that the property names must be provided in the camelCase variant.
- // Modernizr.testProp('pointerEvents')
- Modernizr.testProp = function(prop){
- return testProps([prop]);
- };
- /*>>testprop*/
-
- /*>>testallprops*/
- // Modernizr.testAllProps() investigates whether a given style property,
- // or any of its vendor-prefixed variants, is recognized
- // Note that the property names must be provided in the camelCase variant.
- // Modernizr.testAllProps('boxSizing')
- Modernizr.testAllProps = testPropsAll;
- /*>>testallprops*/
-
-
- /*>>teststyles*/
- // Modernizr.testStyles() allows you to add custom styles to the document and test an element afterwards
- // Modernizr.testStyles('#modernizr { position:absolute }', function(elem, rule){ ... })
- Modernizr.testStyles = injectElementWithStyles;
- /*>>teststyles*/
-
-
- /*>>prefixed*/
- // Modernizr.prefixed() returns the prefixed or nonprefixed property name variant of your input
- // Modernizr.prefixed('boxSizing') // 'MozBoxSizing'
-
- // Properties must be passed as dom-style camelcase, rather than `box-sizing` hypentated style.
- // Return values will also be the camelCase variant, if you need to translate that to hypenated style use:
- //
- // str.replace(/([A-Z])/g, function(str,m1){ return '-' + m1.toLowerCase(); }).replace(/^ms-/,'-ms-');
-
- // If you're trying to ascertain which transition end event to bind to, you might do something like...
- //
- // var transEndEventNames = {
- // 'WebkitTransition' : 'webkitTransitionEnd',
- // 'MozTransition' : 'transitionend',
- // 'OTransition' : 'oTransitionEnd',
- // 'msTransition' : 'MSTransitionEnd',
- // 'transition' : 'transitionend'
- // },
- // transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ];
-
- Modernizr.prefixed = function(prop, obj, elem){
- if(!obj) {
- return testPropsAll(prop, 'pfx');
- } else {
- // Testing DOM property e.g. Modernizr.prefixed('requestAnimationFrame', window) // 'mozRequestAnimationFrame'
- return testPropsAll(prop, obj, elem);
- }
- };
- /*>>prefixed*/
-
-
- /*>>cssclasses*/
- // Remove "no-js" class from <html> element, if it exists:
- docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') +
-
- // Add the new classes to the <html> element.
- (enableClasses ? ' js ' + classes.join(' ') : '');
- /*>>cssclasses*/
-
- return Modernizr;
-
-})(this, this.document);
generated by cgit (git 2.34.1) at 2025-01-09 20:23:59 +0000