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1406 lines
50 KiB
1406 lines
50 KiB
/*! |
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* Modernizr v2.8.3 |
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* www.modernizr.com |
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* |
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* Copyright (c) Faruk Ates, Paul Irish, Alex Sexton |
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* Available under the BSD and MIT licenses: www.modernizr.com/license/ |
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*/ |
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|
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/* |
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* Modernizr tests which native CSS3 and HTML5 features are available in |
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* the current UA and makes the results available to you in two ways: |
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* as properties on a global Modernizr object, and as classes on the |
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* <html> element. This information allows you to progressively enhance |
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* your pages with a granular level of control over the experience. |
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* |
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* Modernizr has an optional (not included) conditional resource loader |
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* called Modernizr.load(), based on Yepnope.js (yepnopejs.com). |
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* To get a build that includes Modernizr.load(), as well as choosing |
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* which tests to include, go to www.modernizr.com/download/ |
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* |
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* Authors Faruk Ates, Paul Irish, Alex Sexton |
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* Contributors Ryan Seddon, Ben Alman |
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*/ |
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window.Modernizr = (function( window, document, undefined ) { |
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var version = '2.8.3', |
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Modernizr = {}, |
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/*>>cssclasses*/ |
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// option for enabling the HTML classes to be added |
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enableClasses = true, |
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/*>>cssclasses*/ |
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docElement = document.documentElement, |
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/** |
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* Create our "modernizr" element that we do most feature tests on. |
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*/ |
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mod = 'modernizr', |
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modElem = document.createElement(mod), |
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mStyle = modElem.style, |
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/** |
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* Create the input element for various Web Forms feature tests. |
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*/ |
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inputElem /*>>inputelem*/ = document.createElement('input') /*>>inputelem*/ , |
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/*>>smile*/ |
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smile = ':)', |
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/*>>smile*/ |
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toString = {}.toString, |
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// TODO :: make the prefixes more granular |
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/*>>prefixes*/ |
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// List of property values to set for css tests. See ticket #21 |
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prefixes = ' -webkit- -moz- -o- -ms- '.split(' '), |
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/*>>prefixes*/ |
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/*>>domprefixes*/ |
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// Following spec is to expose vendor-specific style properties as: |
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// elem.style.WebkitBorderRadius |
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// and the following would be incorrect: |
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// elem.style.webkitBorderRadius |
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// Webkit ghosts their properties in lowercase but Opera & Moz do not. |
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// Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+ |
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// erik.eae.net/archives/2008/03/10/21.48.10/ |
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// More here: github.com/Modernizr/Modernizr/issues/issue/21 |
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omPrefixes = 'Webkit Moz O ms', |
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cssomPrefixes = omPrefixes.split(' '), |
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domPrefixes = omPrefixes.toLowerCase().split(' '), |
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/*>>domprefixes*/ |
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/*>>ns*/ |
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ns = {'svg': 'http://www.w3.org/2000/svg'}, |
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/*>>ns*/ |
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tests = {}, |
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inputs = {}, |
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attrs = {}, |
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classes = [], |
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slice = classes.slice, |
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featureName, // used in testing loop |
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/*>>teststyles*/ |
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// Inject element with style element and some CSS rules |
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injectElementWithStyles = function( rule, callback, nodes, testnames ) { |
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var style, ret, node, docOverflow, |
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div = document.createElement('div'), |
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// After page load injecting a fake body doesn't work so check if body exists |
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body = document.body, |
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// IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it. |
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fakeBody = body || document.createElement('body'); |
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if ( parseInt(nodes, 10) ) { |
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// In order not to give false positives we create a node for each test |
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// This also allows the method to scale for unspecified uses |
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while ( nodes-- ) { |
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node = document.createElement('div'); |
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node.id = testnames ? testnames[nodes] : mod + (nodes + 1); |
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div.appendChild(node); |
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} |
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} |
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// <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed |
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// when injected with innerHTML. To get around this you need to prepend the 'NoScope' element |
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// with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements. |
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// msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx |
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// Documents served as xml will throw if using ­ so use xml friendly encoded version. See issue #277 |
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style = ['­','<style id="s', mod, '">', rule, '</style>'].join(''); |
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div.id = mod; |
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// 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. |
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// Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270 |
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(body ? div : fakeBody).innerHTML += style; |
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fakeBody.appendChild(div); |
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if ( !body ) { |
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//avoid crashing IE8, if background image is used |
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fakeBody.style.background = ''; |
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//Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible |
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fakeBody.style.overflow = 'hidden'; |
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docOverflow = docElement.style.overflow; |
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docElement.style.overflow = 'hidden'; |
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docElement.appendChild(fakeBody); |
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} |
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ret = callback(div, rule); |
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// If this is done after page load we don't want to remove the body so check if body exists |
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if ( !body ) { |
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fakeBody.parentNode.removeChild(fakeBody); |
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docElement.style.overflow = docOverflow; |
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} else { |
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div.parentNode.removeChild(div); |
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} |
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return !!ret; |
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}, |
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/*>>teststyles*/ |
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/*>>mq*/ |
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// adapted from matchMedia polyfill |
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// by Scott Jehl and Paul Irish |
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// gist.github.com/786768 |
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testMediaQuery = function( mq ) { |
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var matchMedia = window.matchMedia || window.msMatchMedia; |
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if ( matchMedia ) { |
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return matchMedia(mq) && matchMedia(mq).matches || false; |
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} |
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var bool; |
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injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) { |
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bool = (window.getComputedStyle ? |
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getComputedStyle(node, null) : |
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node.currentStyle)['position'] == 'absolute'; |
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}); |
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return bool; |
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}, |
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/*>>mq*/ |
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/*>>hasevent*/ |
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// |
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// isEventSupported determines if a given element supports the given event |
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// kangax.github.com/iseventsupported/ |
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// |
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// The following results are known incorrects: |
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// Modernizr.hasEvent("webkitTransitionEnd", elem) // false negative |
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// Modernizr.hasEvent("textInput") // in Webkit. github.com/Modernizr/Modernizr/issues/333 |
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// ... |
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isEventSupported = (function() { |
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var TAGNAMES = { |
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'select': 'input', 'change': 'input', |
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'submit': 'form', 'reset': 'form', |
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'error': 'img', 'load': 'img', 'abort': 'img' |
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}; |
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function isEventSupported( eventName, element ) { |
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element = element || document.createElement(TAGNAMES[eventName] || 'div'); |
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eventName = 'on' + eventName; |
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// When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those |
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var isSupported = eventName in element; |
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if ( !isSupported ) { |
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// If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element |
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if ( !element.setAttribute ) { |
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element = document.createElement('div'); |
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} |
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if ( element.setAttribute && element.removeAttribute ) { |
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element.setAttribute(eventName, ''); |
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isSupported = is(element[eventName], 'function'); |
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// If property was created, "remove it" (by setting value to `undefined`) |
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if ( !is(element[eventName], 'undefined') ) { |
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element[eventName] = undefined; |
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} |
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element.removeAttribute(eventName); |
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} |
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} |
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element = null; |
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return isSupported; |
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} |
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return isEventSupported; |
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})(), |
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/*>>hasevent*/ |
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// TODO :: Add flag for hasownprop ? didn't last time |
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// hasOwnProperty shim by kangax needed for Safari 2.0 support |
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_hasOwnProperty = ({}).hasOwnProperty, hasOwnProp; |
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if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) { |
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hasOwnProp = function (object, property) { |
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return _hasOwnProperty.call(object, property); |
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}; |
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} |
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else { |
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hasOwnProp = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */ |
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return ((property in object) && is(object.constructor.prototype[property], 'undefined')); |
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}; |
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} |
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// Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js |
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// es5.github.com/#x15.3.4.5 |
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if (!Function.prototype.bind) { |
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Function.prototype.bind = function bind(that) { |
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var target = this; |
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if (typeof target != "function") { |
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throw new TypeError(); |
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} |
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var args = slice.call(arguments, 1), |
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bound = function () { |
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if (this instanceof bound) { |
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var F = function(){}; |
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F.prototype = target.prototype; |
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var self = new F(); |
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var result = target.apply( |
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self, |
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args.concat(slice.call(arguments)) |
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); |
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if (Object(result) === result) { |
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return result; |
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} |
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return self; |
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} else { |
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return target.apply( |
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that, |
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args.concat(slice.call(arguments)) |
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); |
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} |
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}; |
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return bound; |
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}; |
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} |
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/** |
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* setCss applies given styles to the Modernizr DOM node. |
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*/ |
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function setCss( str ) { |
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mStyle.cssText = str; |
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} |
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/** |
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* setCssAll extrapolates all vendor-specific css strings. |
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*/ |
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function setCssAll( str1, str2 ) { |
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return setCss(prefixes.join(str1 + ';') + ( str2 || '' )); |
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} |
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/** |
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* is returns a boolean for if typeof obj is exactly type. |
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*/ |
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function is( obj, type ) { |
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return typeof obj === type; |
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} |
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/** |
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* contains returns a boolean for if substr is found within str. |
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*/ |
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function contains( str, substr ) { |
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return !!~('' + str).indexOf(substr); |
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} |
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/*>>testprop*/ |
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// testProps is a generic CSS / DOM property test. |
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// In testing support for a given CSS property, it's legit to test: |
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// `elem.style[styleName] !== undefined` |
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// If the property is supported it will return an empty string, |
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// if unsupported it will return undefined. |
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// We'll take advantage of this quick test and skip setting a style |
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// on our modernizr element, but instead just testing undefined vs |
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// empty string. |
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// Because the testing of the CSS property names (with "-", as |
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// opposed to the camelCase DOM properties) is non-portable and |
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// non-standard but works in WebKit and IE (but not Gecko or Opera), |
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// we explicitly reject properties with dashes so that authors |
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// developing in WebKit or IE first don't end up with |
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// browser-specific content by accident. |
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function testProps( props, prefixed ) { |
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for ( var i in props ) { |
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var prop = props[i]; |
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if ( !contains(prop, "-") && mStyle[prop] !== undefined ) { |
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return prefixed == 'pfx' ? prop : true; |
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} |
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} |
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return false; |
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} |
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/*>>testprop*/ |
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// TODO :: add testDOMProps |
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/** |
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* testDOMProps is a generic DOM property test; if a browser supports |
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* a certain property, it won't return undefined for it. |
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*/ |
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function testDOMProps( props, obj, elem ) { |
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for ( var i in props ) { |
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var item = obj[props[i]]; |
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if ( item !== undefined) { |
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// return the property name as a string |
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if (elem === false) return props[i]; |
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// let's bind a function |
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if (is(item, 'function')){ |
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// default to autobind unless override |
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return item.bind(elem || obj); |
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} |
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// return the unbound function or obj or value |
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return item; |
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} |
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} |
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return false; |
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} |
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/*>>testallprops*/ |
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/** |
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* testPropsAll tests a list of DOM properties we want to check against. |
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* We specify literally ALL possible (known and/or likely) properties on |
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* the element including the non-vendor prefixed one, for forward- |
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* compatibility. |
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*/ |
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function testPropsAll( prop, prefixed, elem ) { |
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var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1), |
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props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' '); |
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// did they call .prefixed('boxSizing') or are we just testing a prop? |
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if(is(prefixed, "string") || is(prefixed, "undefined")) { |
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return testProps(props, prefixed); |
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// otherwise, they called .prefixed('requestAnimationFrame', window[, elem]) |
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} else { |
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props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' '); |
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return testDOMProps(props, prefixed, elem); |
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} |
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} |
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/*>>testallprops*/ |
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/** |
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* Tests |
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* ----- |
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*/ |
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// The *new* flexbox |
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// dev.w3.org/csswg/css3-flexbox |
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tests['flexbox'] = function() { |
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return testPropsAll('flexWrap'); |
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}; |
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// The *old* flexbox |
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// www.w3.org/TR/2009/WD-css3-flexbox-20090723/ |
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tests['flexboxlegacy'] = function() { |
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return testPropsAll('boxDirection'); |
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}; |
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// On the S60 and BB Storm, getContext exists, but always returns undefined |
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// so we actually have to call getContext() to verify |
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// github.com/Modernizr/Modernizr/issues/issue/97/ |
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tests['canvas'] = function() { |
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var elem = document.createElement('canvas'); |
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return !!(elem.getContext && elem.getContext('2d')); |
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}; |
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tests['canvastext'] = function() { |
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return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function')); |
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}; |
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// webk.it/70117 is tracking a legit WebGL feature detect proposal |
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// We do a soft detect which may false positive in order to avoid |
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// an expensive context creation: bugzil.la/732441 |
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tests['webgl'] = function() { |
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return !!window.WebGLRenderingContext; |
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}; |
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/* |
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* The Modernizr.touch test only indicates if the browser supports |
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* touch events, which does not necessarily reflect a touchscreen |
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* device, as evidenced by tablets running Windows 7 or, alas, |
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* the Palm Pre / WebOS (touch) phones. |
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* |
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* Additionally, Chrome (desktop) used to lie about its support on this, |
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* but that has since been rectified: crbug.com/36415 |
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* |
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* We also test for Firefox 4 Multitouch Support. |
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* |
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* For more info, see: modernizr.github.com/Modernizr/touch.html |
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*/ |
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tests['touch'] = function() { |
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var bool; |
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if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) { |
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bool = true; |
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} else { |
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injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) { |
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bool = node.offsetTop === 9; |
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}); |
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} |
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return bool; |
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}; |
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// geolocation is often considered a trivial feature detect... |
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// Turns out, it's quite tricky to get right: |
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// |
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// Using !!navigator.geolocation does two things we don't want. It: |
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// 1. Leaks memory in IE9: github.com/Modernizr/Modernizr/issues/513 |
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// 2. Disables page caching in WebKit: webk.it/43956 |
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// |
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// Meanwhile, in Firefox < 8, an about:config setting could expose |
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// a false positive that would throw an exception: bugzil.la/688158 |
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tests['geolocation'] = function() { |
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return 'geolocation' in navigator; |
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}; |
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tests['postmessage'] = function() { |
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return !!window.postMessage; |
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}; |
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// Chrome incognito mode used to throw an exception when using openDatabase |
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// It doesn't anymore. |
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tests['websqldatabase'] = function() { |
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return !!window.openDatabase; |
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}; |
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// Vendors had inconsistent prefixing with the experimental Indexed DB: |
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// - Webkit's implementation is accessible through webkitIndexedDB |
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// - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB |
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// For speed, we don't test the legacy (and beta-only) indexedDB |
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tests['indexedDB'] = function() { |
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return !!testPropsAll("indexedDB", window); |
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}; |
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// documentMode logic from YUI to filter out IE8 Compat Mode |
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// which false positives. |
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tests['hashchange'] = function() { |
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return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7); |
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}; |
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// Per 1.6: |
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// This used to be Modernizr.historymanagement but the longer |
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// name has been deprecated in favor of a shorter and property-matching one. |
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// The old API is still available in 1.6, but as of 2.0 will throw a warning, |
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// and in the first release thereafter disappear entirely. |
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tests['history'] = function() { |
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return !!(window.history && history.pushState); |
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}; |
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tests['draganddrop'] = function() { |
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var div = document.createElement('div'); |
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return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div); |
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}; |
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// FF3.6 was EOL'ed on 4/24/12, but the ESR version of FF10 |
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// will be supported until FF19 (2/12/13), at which time, ESR becomes FF17. |
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// FF10 still uses prefixes, so check for it until then. |
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// for more ESR info, see: mozilla.org/en-US/firefox/organizations/faq/ |
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tests['websockets'] = function() { |
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return 'WebSocket' in window || 'MozWebSocket' in window; |
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}; |
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// css-tricks.com/rgba-browser-support/ |
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tests['rgba'] = function() { |
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// Set an rgba() color and check the returned value |
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setCss('background-color:rgba(150,255,150,.5)'); |
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return contains(mStyle.backgroundColor, 'rgba'); |
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}; |
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tests['hsla'] = function() { |
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// Same as rgba(), in fact, browsers re-map hsla() to rgba() internally, |
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// except IE9 who retains it as hsla |
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setCss('background-color:hsla(120,40%,100%,.5)'); |
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return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla'); |
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}; |
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tests['multiplebgs'] = function() { |
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// Setting multiple images AND a color on the background shorthand property |
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// and then querying the style.background property value for the number of |
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// occurrences of "url(" is a reliable method for detecting ACTUAL support for this! |
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setCss('background:url(https://),url(https://),red url(https://)'); |
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// If the UA supports multiple backgrounds, there should be three occurrences |
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// of the string "url(" in the return value for elemStyle.background |
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return (/(url\s*\(.*?){3}/).test(mStyle.background); |
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}; |
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// this will false positive in Opera Mini |
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// github.com/Modernizr/Modernizr/issues/396 |
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tests['backgroundsize'] = function() { |
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return testPropsAll('backgroundSize'); |
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}; |
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tests['borderimage'] = function() { |
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return testPropsAll('borderImage'); |
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}; |
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// Super comprehensive table about all the unique implementations of |
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// border-radius: muddledramblings.com/table-of-css3-border-radius-compliance |
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tests['borderradius'] = function() { |
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return testPropsAll('borderRadius'); |
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}; |
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// WebOS unfortunately false positives on this test. |
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tests['boxshadow'] = function() { |
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return testPropsAll('boxShadow'); |
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}; |
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// FF3.0 will false positive on this test |
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tests['textshadow'] = function() { |
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return document.createElement('div').style.textShadow === ''; |
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}; |
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tests['opacity'] = function() { |
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// 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);
|
|
|