/*!
* modernizr v3.3.1
* Build https://modernizr.com/download?-backgroundsize-borderimage-borderradius-boxshadow-cssanimations-csstransforms-csstransforms3d-csstransitions-fontface-generatedcontent-inlinesvg-opacity-rgba-textshadow-touchevents-domprefixes-mq-prefixes-setclasses-shiv-testallprops-testprop-teststyles-dontmin
*
* Copyright (c)
* Faruk Ates
* Paul Irish
* Alex Sexton
* Ryan Seddon
* Patrick Kettner
* Stu Cox
* Richard Herrera
* MIT License
*/
/*
* Modernizr tests which native CSS3 and HTML5 features are available in the
* current UA and makes the results available to you in two ways: as properties on
* a global `Modernizr` object, and as classes on the `` element. This
* information allows you to progressively enhance your pages with a granular level
* of control over the experience.
*/
;(function(window, document, undefined){
var classes = [];
var tests = [];
/**
*
* ModernizrProto is the constructor for Modernizr
*
* @class
* @access public
*/
var ModernizrProto = {
// The current version, dummy
_version: '3.3.1',
// Any settings that don't work as separate modules
// can go in here as configuration.
_config: {
'classPrefix': '',
'enableClasses': true,
'enableJSClass': true,
'usePrefixes': true
},
// Queue of tests
_q: [],
// Stub these for people who are listening
on: function(test, cb) {
// I don't really think people should do this, but we can
// safe guard it a bit.
// -- NOTE:: this gets WAY overridden in src/addTest for actual async tests.
// This is in case people listen to synchronous tests. I would leave it out,
// but the code to *disallow* sync tests in the real version of this
// function is actually larger than this.
var self = this;
setTimeout(function() {
cb(self[test]);
}, 0);
},
addTest: function(name, fn, options) {
tests.push({name: name, fn: fn, options: options});
},
addAsyncTest: function(fn) {
tests.push({name: null, fn: fn});
}
};
// Fake some of Object.create so we can force non test results to be non "own" properties.
var Modernizr = function() {};
Modernizr.prototype = ModernizrProto;
// Leak modernizr globally when you `require` it rather than force it here.
// Overwrite name so constructor name is nicer :D
Modernizr = new Modernizr();
/**
* List of property values to set for css tests. See ticket #21
* http://git.io/vUGl4
*
* @memberof Modernizr
* @name Modernizr._prefixes
* @optionName Modernizr._prefixes
* @optionProp prefixes
* @access public
* @example
*
* Modernizr._prefixes is the internal list of prefixes that we test against
* inside of things like [prefixed](#modernizr-prefixed) and [prefixedCSS](#-code-modernizr-prefixedcss). It is simply
* an array of kebab-case vendor prefixes you can use within your code.
*
* Some common use cases include
*
* Generating all possible prefixed version of a CSS property
* ```js
* var rule = Modernizr._prefixes.join('transform: rotate(20deg); ');
*
* rule === 'transform: rotate(20deg); webkit-transform: rotate(20deg); moz-transform: rotate(20deg); o-transform: rotate(20deg); ms-transform: rotate(20deg);'
* ```
*
* Generating all possible prefixed version of a CSS value
* ```js
* rule = 'display:' + Modernizr._prefixes.join('flex; display:') + 'flex';
*
* rule === 'display:flex; display:-webkit-flex; display:-moz-flex; display:-o-flex; display:-ms-flex; display:flex'
* ```
*/
// we use ['',''] rather than an empty array in order to allow a pattern of .`join()`ing prefixes to test
// values in feature detects to continue to work
var prefixes = (ModernizrProto._config.usePrefixes ? ' -webkit- -moz- -o- -ms- '.split(' ') : ['','']);
// expose these for the plugin API. Look in the source for how to join() them against your input
ModernizrProto._prefixes = prefixes;
/**
* is returns a boolean if the typeof an obj is exactly type.
*
* @access private
* @function is
* @param {*} obj - A thing we want to check the type of
* @param {string} type - A string to compare the typeof against
* @returns {boolean}
*/
function is(obj, type) {
return typeof obj === type;
}
;
/**
* Run through all tests and detect their support in the current UA.
*
* @access private
*/
function testRunner() {
var featureNames;
var feature;
var aliasIdx;
var result;
var nameIdx;
var featureName;
var featureNameSplit;
for (var featureIdx in tests) {
if (tests.hasOwnProperty(featureIdx)) {
featureNames = [];
feature = tests[featureIdx];
// 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.
//
// If there is no name, it's an 'async' test that is run,
// but not directly added to the object. That should
// be done with a post-run addTest call.
if (feature.name) {
featureNames.push(feature.name.toLowerCase());
if (feature.options && feature.options.aliases && feature.options.aliases.length) {
// Add all the aliases into the names list
for (aliasIdx = 0; aliasIdx < feature.options.aliases.length; aliasIdx++) {
featureNames.push(feature.options.aliases[aliasIdx].toLowerCase());
}
}
}
// Run the test, or use the raw value if it's not a function
result = is(feature.fn, 'function') ? feature.fn() : feature.fn;
// Set each of the names on the Modernizr object
for (nameIdx = 0; nameIdx < featureNames.length; nameIdx++) {
featureName = featureNames[nameIdx];
// Support dot properties as sub tests. We don't do checking to make sure
// that the implied parent tests have been added. You must call them in
// order (either in the test, or make the parent test a dependency).
//
// Cap it to TWO to make the logic simple and because who needs that kind of subtesting
// hashtag famous last words
featureNameSplit = featureName.split('.');
if (featureNameSplit.length === 1) {
Modernizr[featureNameSplit[0]] = result;
} else {
// cast to a Boolean, if not one already
/* jshint -W053 */
if (Modernizr[featureNameSplit[0]] && !(Modernizr[featureNameSplit[0]] instanceof Boolean)) {
Modernizr[featureNameSplit[0]] = new Boolean(Modernizr[featureNameSplit[0]]);
}
Modernizr[featureNameSplit[0]][featureNameSplit[1]] = result;
}
classes.push((result ? '' : 'no-') + featureNameSplit.join('-'));
}
}
}
}
;
/**
* docElement is a convenience wrapper to grab the root element of the document
*
* @access private
* @returns {HTMLElement|SVGElement} The root element of the document
*/
var docElement = document.documentElement;
/**
* A convenience helper to check if the document we are running in is an SVG document
*
* @access private
* @returns {boolean}
*/
var isSVG = docElement.nodeName.toLowerCase() === 'svg';
/**
* setClasses takes an array of class names and adds them to the root element
*
* @access private
* @function setClasses
* @param {string[]} classes - Array of class names
*/
// Pass in an and array of class names, e.g.:
// ['no-webp', 'borderradius', ...]
function setClasses(classes) {
var className = docElement.className;
var classPrefix = Modernizr._config.classPrefix || '';
if (isSVG) {
className = className.baseVal;
}
// Change `no-js` to `js` (independently of the `enableClasses` option)
// Handle classPrefix on this too
if (Modernizr._config.enableJSClass) {
var reJS = new RegExp('(^|\\s)' + classPrefix + 'no-js(\\s|$)');
className = className.replace(reJS, '$1' + classPrefix + 'js$2');
}
if (Modernizr._config.enableClasses) {
// Add the new classes
className += ' ' + classPrefix + classes.join(' ' + classPrefix);
isSVG ? docElement.className.baseVal = className : docElement.className = className;
}
}
;
/**
* @optionName html5shiv
* @optionProp html5shiv
*/
// Take the html5 variable out of the html5shiv scope so we can return it.
var html5;
if (!isSVG) {
/**
* @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
*/
;(function(window, document) {
/*jshint evil:true */
/** version */
var version = '3.7.3';
/** Preset options */
var options = window.html5 || {};
/** Used to skip problem elements */
var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/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 = '';
//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';
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;
}
/**
* Extends the built-in list of html5 elements
* @memberOf html5
* @param {String|Array} newElements whitespace separated list or array of new element names to shiv
* @param {Document} ownerDocument The context document.
*/
function addElements(newElements, ownerDocument) {
var elements = html5.elements;
if(typeof elements != 'string'){
elements = elements.join(' ');
}
if(typeof newElements != 'string'){
newElements = newElements.join(' ');
}
html5.elements = elements +' '+ newElements;
shivDocument(ownerDocument);
}
/**
* 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|DocumentFragment} 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 -1;
});
/*!
{
"name": "Inline SVG",
"property": "inlinesvg",
"caniuse": "svg-html5",
"tags": ["svg"],
"notes": [{
"name": "Test page",
"href": "https://paulirish.com/demo/inline-svg"
}, {
"name": "Test page and results",
"href": "https://codepen.io/eltonmesquita/full/GgXbvo/"
}],
"polyfills": ["inline-svg-polyfill"],
"knownBugs": ["False negative on some Chromia browsers."]
}
!*/
/* DOC
Detects support for inline SVG in HTML (not within XHTML).
*/
Modernizr.addTest('inlinesvg', function() {
var div = createElement('div');
div.innerHTML = '';
return (typeof SVGRect != 'undefined' && div.firstChild && div.firstChild.namespaceURI) == 'http://www.w3.org/2000/svg';
});
/*!
{
"name": "CSS Supports",
"property": "supports",
"caniuse": "css-featurequeries",
"tags": ["css"],
"builderAliases": ["css_supports"],
"notes": [{
"name": "W3 Spec",
"href": "http://dev.w3.org/csswg/css3-conditional/#at-supports"
},{
"name": "Related Github Issue",
"href": "github.com/Modernizr/Modernizr/issues/648"
},{
"name": "W3 Info",
"href": "http://dev.w3.org/csswg/css3-conditional/#the-csssupportsrule-interface"
}]
}
!*/
var newSyntax = 'CSS' in window && 'supports' in window.CSS;
var oldSyntax = 'supportsCSS' in window;
Modernizr.addTest('supports', newSyntax || oldSyntax);
/**
* getBody returns the body of a document, or an element that can stand in for
* the body if a real body does not exist
*
* @access private
* @function getBody
* @returns {HTMLElement|SVGElement} Returns the real body of a document, or an
* artificially created element that stands in for the body
*/
function getBody() {
// After page load injecting a fake body doesn't work so check if body exists
var body = document.body;
if (!body) {
// Can't use the real body create a fake one.
body = createElement(isSVG ? 'svg' : 'body');
body.fake = true;
}
return body;
}
;
/**
* injectElementWithStyles injects an element with style element and some CSS rules
*
* @access private
* @function injectElementWithStyles
* @param {string} rule - String representing a css rule
* @param {function} callback - A function that is used to test the injected element
* @param {number} [nodes] - An integer representing the number of additional nodes you want injected
* @param {string[]} [testnames] - An array of strings that are used as ids for the additional nodes
* @returns {boolean}
*/
function injectElementWithStyles(rule, callback, nodes, testnames) {
var mod = 'modernizr';
var style;
var ret;
var node;
var docOverflow;
var div = createElement('div');
var body = getBody();
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 = createElement('div');
node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
div.appendChild(node);
}
}
style = createElement('style');
style.type = 'text/css';
style.id = 's' + 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.fake ? div : body).appendChild(style);
body.appendChild(div);
if (style.styleSheet) {
style.styleSheet.cssText = rule;
} else {
style.appendChild(document.createTextNode(rule));
}
div.id = mod;
if (body.fake) {
//avoid crashing IE8, if background image is used
body.style.background = '';
//Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible
body.style.overflow = 'hidden';
docOverflow = docElement.style.overflow;
docElement.style.overflow = 'hidden';
docElement.appendChild(body);
}
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.fake) {
body.parentNode.removeChild(body);
docElement.style.overflow = docOverflow;
// Trigger layout so kinetic scrolling isn't disabled in iOS6+
docElement.offsetHeight;
} else {
div.parentNode.removeChild(div);
}
return !!ret;
}
;
/**
* Modernizr.mq tests a given media query, live against the current state of the window
* adapted from matchMedia polyfill by Scott Jehl and Paul Irish
* gist.github.com/786768
*
* @memberof Modernizr
* @name Modernizr.mq
* @optionName Modernizr.mq()
* @optionProp mq
* @access public
* @function mq
* @param {string} mq - String of the media query we want to test
* @returns {boolean}
* @example
* Modernizr.mq allows for you to programmatically check if the current browser
* window state matches a media query.
*
* ```js
* var query = Modernizr.mq('(min-width: 900px)');
*
* if (query) {
* // the browser window is larger than 900px
* }
* ```
*
* Only valid media queries are supported, therefore you must always include values
* with your media query
*
* ```js
* // good
* Modernizr.mq('(min-width: 900px)');
*
* // bad
* Modernizr.mq('min-width');
* ```
*
* If you would just like to test that media queries are supported in general, use
*
* ```js
* Modernizr.mq('only all'); // true if MQ are supported, false if not
* ```
*
*
* Note that if the browser does not support media queries (e.g. old IE) mq will
* always return false.
*/
var mq = (function() {
var matchMedia = window.matchMedia || window.msMatchMedia;
if (matchMedia) {
return function(mq) {
var mql = matchMedia(mq);
return mql && mql.matches || false;
};
}
return function(mq) {
var bool = false;
injectElementWithStyles('@media ' + mq + ' { #modernizr { position: absolute; } }', function(node) {
bool = (window.getComputedStyle ?
window.getComputedStyle(node, null) :
node.currentStyle).position == 'absolute';
});
return bool;
};
})();
ModernizrProto.mq = mq;
/**
* testStyles injects an element with style element and some CSS rules
*
* @memberof Modernizr
* @name Modernizr.testStyles
* @optionName Modernizr.testStyles()
* @optionProp testStyles
* @access public
* @function testStyles
* @param {string} rule - String representing a css rule
* @param {function} callback - A function that is used to test the injected element
* @param {number} [nodes] - An integer representing the number of additional nodes you want injected
* @param {string[]} [testnames] - An array of strings that are used as ids for the additional nodes
* @returns {boolean}
* @example
*
* `Modernizr.testStyles` takes a CSS rule and injects it onto the current page
* along with (possibly multiple) DOM elements. This lets you check for features
* that can not be detected by simply checking the [IDL](https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Interface_development_guide/IDL_interface_rules).
*
* ```js
* Modernizr.testStyles('#modernizr { width: 9px; color: papayawhip; }', function(elem, rule) {
* // elem is the first DOM node in the page (by default #modernizr)
* // rule is the first argument you supplied - the CSS rule in string form
*
* addTest('widthworks', elem.style.width === '9px')
* });
* ```
*
* If your test requires multiple nodes, you can include a third argument
* indicating how many additional div elements to include on the page. The
* additional nodes are injected as children of the `elem` that is returned as
* the first argument to the callback.
*
* ```js
* Modernizr.testStyles('#modernizr {width: 1px}; #modernizr2 {width: 2px}', function(elem) {
* document.getElementById('modernizr').style.width === '1px'; // true
* document.getElementById('modernizr2').style.width === '2px'; // true
* elem.firstChild === document.getElementById('modernizr2'); // true
* }, 1);
* ```
*
* By default, all of the additional elements have an ID of `modernizr[n]`, where
* `n` is its index (e.g. the first additional, second overall is `#modernizr2`,
* the second additional is `#modernizr3`, etc.).
* If you want to have more meaningful IDs for your function, you can provide
* them as the fourth argument, as an array of strings
*
* ```js
* Modernizr.testStyles('#foo {width: 10px}; #bar {height: 20px}', function(elem) {
* elem.firstChild === document.getElementById('foo'); // true
* elem.lastChild === document.getElementById('bar'); // true
* }, 2, ['foo', 'bar']);
* ```
*
*/
var testStyles = ModernizrProto.testStyles = injectElementWithStyles;
/*!
{
"name": "Touch Events",
"property": "touchevents",
"caniuse" : "touch",
"tags": ["media", "attribute"],
"notes": [{
"name": "Touch Events spec",
"href": "https://www.w3.org/TR/2013/WD-touch-events-20130124/"
}],
"warnings": [
"Indicates if the browser supports the Touch Events spec, and does not necessarily reflect a touchscreen device"
],
"knownBugs": [
"False-positive on some configurations of Nokia N900",
"False-positive on some BlackBerry 6.0 builds – https://github.com/Modernizr/Modernizr/issues/372#issuecomment-3112695"
]
}
!*/
/* DOC
Indicates if the browser supports the W3C Touch Events API.
This *does not* necessarily reflect a touchscreen device:
* Older touchscreen devices only emulate mouse events
* Modern IE touch devices implement the Pointer Events API instead: use `Modernizr.pointerevents` to detect support for that
* Some browsers & OS setups may enable touch APIs when no touchscreen is connected
* Future browsers may implement other event models for touch interactions
See this article: [You Can't Detect A Touchscreen](http://www.stucox.com/blog/you-cant-detect-a-touchscreen/).
It's recommended to bind both mouse and touch/pointer events simultaneously – see [this HTML5 Rocks tutorial](http://www.html5rocks.com/en/mobile/touchandmouse/).
This test will also return `true` for Firefox 4 Multitouch support.
*/
// Chrome (desktop) used to lie about its support on this, but that has since been rectified: http://crbug.com/36415
Modernizr.addTest('touchevents', function() {
var bool;
if (('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) {
bool = true;
} else {
// include the 'heartz' as a way to have a non matching MQ to help terminate the join
// https://git.io/vznFH
var query = ['@media (', prefixes.join('touch-enabled),('), 'heartz', ')', '{#modernizr{top:9px;position:absolute}}'].join('');
testStyles(query, function(node) {
bool = node.offsetTop === 9;
});
}
return bool;
});
/*!
{
"name": "@font-face",
"property": "fontface",
"authors": ["Diego Perini", "Mat Marquis"],
"tags": ["css"],
"knownBugs": [
"False Positive: WebOS https://github.com/Modernizr/Modernizr/issues/342",
"False Postive: WP7 https://github.com/Modernizr/Modernizr/issues/538"
],
"notes": [{
"name": "@font-face detection routine by Diego Perini",
"href": "http://javascript.nwbox.com/CSSSupport/"
},{
"name": "Filament Group @font-face compatibility research",
"href": "https://docs.google.com/presentation/d/1n4NyG4uPRjAA8zn_pSQ_Ket0RhcWC6QlZ6LMjKeECo0/edit#slide=id.p"
},{
"name": "Filament Grunticon/@font-face device testing results",
"href": "https://docs.google.com/spreadsheet/ccc?key=0Ag5_yGvxpINRdHFYeUJPNnZMWUZKR2ItMEpRTXZPdUE#gid=0"
},{
"name": "CSS fonts on Android",
"href": "https://stackoverflow.com/questions/3200069/css-fonts-on-android"
},{
"name": "@font-face and Android",
"href": "http://archivist.incutio.com/viewlist/css-discuss/115960"
}]
}
!*/
var blacklist = (function() {
var ua = navigator.userAgent;
var wkvers = ua.match(/applewebkit\/([0-9]+)/gi) && parseFloat(RegExp.$1);
var webos = ua.match(/w(eb)?osbrowser/gi);
var wppre8 = ua.match(/windows phone/gi) && ua.match(/iemobile\/([0-9])+/gi) && parseFloat(RegExp.$1) >= 9;
var oldandroid = wkvers < 533 && ua.match(/android/gi);
return webos || oldandroid || wppre8;
}());
if (blacklist) {
Modernizr.addTest('fontface', false);
} else {
testStyles('@font-face {font-family:"font";src:url("https://")}', function(node, rule) {
var style = document.getElementById('smodernizr');
var sheet = style.sheet || style.styleSheet;
var cssText = sheet ? (sheet.cssRules && sheet.cssRules[0] ? sheet.cssRules[0].cssText : sheet.cssText || '') : '';
var bool = /src/i.test(cssText) && cssText.indexOf(rule.split(' ')[0]) === 0;
Modernizr.addTest('fontface', bool);
});
}
;
/*!
{
"name": "CSS Generated Content",
"property": "generatedcontent",
"tags": ["css"],
"warnings": ["Android won't return correct height for anything below 7px #738"],
"notes": [{
"name": "W3C CSS Selectors Level 3 spec",
"href": "https://www.w3.org/TR/css3-selectors/#gen-content"
},{
"name": "MDN article on :before",
"href": "https://developer.mozilla.org/en-US/docs/Web/CSS/::before"
},{
"name": "MDN article on :after",
"href": "https://developer.mozilla.org/en-US/docs/Web/CSS/::before"
}]
}
!*/
testStyles('#modernizr{font:0/0 a}#modernizr:after{content:":)";visibility:hidden;font:7px/1 a}', function(node) {
Modernizr.addTest('generatedcontent', node.offsetHeight >= 7);
});
var cssomPrefixes = (ModernizrProto._config.usePrefixes ? omPrefixes.split(' ') : []);
ModernizrProto._cssomPrefixes = cssomPrefixes;
/**
* contains checks to see if a string contains another string
*
* @access private
* @function contains
* @param {string} str - The string we want to check for substrings
* @param {string} substr - The substring we want to search the first string for
* @returns {boolean}
*/
function contains(str, substr) {
return !!~('' + str).indexOf(substr);
}
;
/**
* cssToDOM takes a kebab-case string and converts it to camelCase
* e.g. box-sizing -> boxSizing
*
* @access private
* @function cssToDOM
* @param {string} name - String name of kebab-case prop we want to convert
* @returns {string} The camelCase version of the supplied name
*/
function cssToDOM(name) {
return name.replace(/([a-z])-([a-z])/g, function(str, m1, m2) {
return m1 + m2.toUpperCase();
}).replace(/^-/, '');
}
;
/**
* fnBind is a super small [bind](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind) polyfill.
*
* @access private
* @function fnBind
* @param {function} fn - a function you want to change `this` reference to
* @param {object} that - the `this` you want to call the function with
* @returns {function} The wrapped version of the supplied function
*/
function fnBind(fn, that) {
return function() {
return fn.apply(that, arguments);
};
}
;
/**
* testDOMProps is a generic DOM property test; if a browser supports
* a certain property, it won't return undefined for it.
*
* @access private
* @function testDOMProps
* @param {array.} props - An array of properties to test for
* @param {object} obj - An object or Element you want to use to test the parameters again
* @param {boolean|object} elem - An Element to bind the property lookup again. Use `false` to prevent the check
*/
function testDOMProps(props, obj, elem) {
var item;
for (var i in props) {
if (props[i] in obj) {
// return the property name as a string
if (elem === false) {
return props[i];
}
item = obj[props[i]];
// let's bind a function
if (is(item, 'function')) {
// bind to obj unless overriden
return fnBind(item, elem || obj);
}
// return the unbound function or obj or value
return item;
}
}
return false;
}
;
/**
* Create our "modernizr" element that we do most feature tests on.
*
* @access private
*/
var modElem = {
elem: createElement('modernizr')
};
// Clean up this element
Modernizr._q.push(function() {
delete modElem.elem;
});
var mStyle = {
style: modElem.elem.style
};
// kill ref for gc, must happen before mod.elem is removed, so we unshift on to
// the front of the queue.
Modernizr._q.unshift(function() {
delete mStyle.style;
});
/**
* domToCSS takes a camelCase string and converts it to kebab-case
* e.g. boxSizing -> box-sizing
*
* @access private
* @function domToCSS
* @param {string} name - String name of camelCase prop we want to convert
* @returns {string} The kebab-case version of the supplied name
*/
function domToCSS(name) {
return name.replace(/([A-Z])/g, function(str, m1) {
return '-' + m1.toLowerCase();
}).replace(/^ms-/, '-ms-');
}
;
/**
* nativeTestProps allows for us to use native feature detection functionality if available.
* some prefixed form, or false, in the case of an unsupported rule
*
* @access private
* @function nativeTestProps
* @param {array} props - An array of property names
* @param {string} value - A string representing the value we want to check via @supports
* @returns {boolean|undefined} A boolean when @supports exists, undefined otherwise
*/
// Accepts a list of property names and a single value
// Returns `undefined` if native detection not available
function nativeTestProps(props, value) {
var i = props.length;
// Start with the JS API: http://www.w3.org/TR/css3-conditional/#the-css-interface
if ('CSS' in window && 'supports' in window.CSS) {
// Try every prefixed variant of the property
while (i--) {
if (window.CSS.supports(domToCSS(props[i]), value)) {
return true;
}
}
return false;
}
// Otherwise fall back to at-rule (for Opera 12.x)
else if ('CSSSupportsRule' in window) {
// Build a condition string for every prefixed variant
var conditionText = [];
while (i--) {
conditionText.push('(' + domToCSS(props[i]) + ':' + value + ')');
}
conditionText = conditionText.join(' or ');
return injectElementWithStyles('@supports (' + conditionText + ') { #modernizr { position: absolute; } }', function(node) {
return getComputedStyle(node, null).position == 'absolute';
});
}
return undefined;
}
;
// 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.
// Property names can be provided in either camelCase or kebab-case.
function testProps(props, prefixed, value, skipValueTest) {
skipValueTest = is(skipValueTest, 'undefined') ? false : skipValueTest;
// Try native detect first
if (!is(value, 'undefined')) {
var result = nativeTestProps(props, value);
if (!is(result, 'undefined')) {
return result;
}
}
// Otherwise do it properly
var afterInit, i, propsLength, prop, before;
// If we don't have a style element, that means we're running async or after
// the core tests, so we'll need to create our own elements to use
// inside of an SVG element, in certain browsers, the `style` element is only
// defined for valid tags. Therefore, if `modernizr` does not have one, we
// fall back to a less used element and hope for the best.
// for strict XHTML browsers the hardly used samp element is used
var elems = ['modernizr', 'tspan', 'samp'];
while (!mStyle.style && elems.length) {
afterInit = true;
mStyle.modElem = createElement(elems.shift());
mStyle.style = mStyle.modElem.style;
}
// Delete the objects if we created them.
function cleanElems() {
if (afterInit) {
delete mStyle.style;
delete mStyle.modElem;
}
}
propsLength = props.length;
for (i = 0; i < propsLength; i++) {
prop = props[i];
before = mStyle.style[prop];
if (contains(prop, '-')) {
prop = cssToDOM(prop);
}
if (mStyle.style[prop] !== undefined) {
// If value to test has been passed in, do a set-and-check test.
// 0 (integer) is a valid property value, so check that `value` isn't
// undefined, rather than just checking it's truthy.
if (!skipValueTest && !is(value, 'undefined')) {
// Needs a try catch block because of old IE. This is slow, but will
// be avoided in most cases because `skipValueTest` will be used.
try {
mStyle.style[prop] = value;
} catch (e) {}
// If the property value has changed, we assume the value used is
// supported. If `value` is empty string, it'll fail here (because
// it hasn't changed), which matches how browsers have implemented
// CSS.supports()
if (mStyle.style[prop] != before) {
cleanElems();
return prefixed == 'pfx' ? prop : true;
}
}
// Otherwise just return true, or the property name if this is a
// `prefixed()` call
else {
cleanElems();
return prefixed == 'pfx' ? prop : true;
}
}
}
cleanElems();
return false;
}
;
/**
* testProp() investigates whether a given style property is recognized
* Property names can be provided in either camelCase or kebab-case.
*
* @memberof Modernizr
* @name Modernizr.testProp
* @access public
* @optionName Modernizr.testProp()
* @optionProp testProp
* @function testProp
* @param {string} prop - Name of the CSS property to check
* @param {string} [value] - Name of the CSS value to check
* @param {boolean} [useValue] - Whether or not to check the value if @supports isn't supported
* @returns {boolean}
* @example
*
* Just like [testAllProps](#modernizr-testallprops), only it does not check any vendor prefixed
* version of the string.
*
* Note that the property name must be provided in camelCase (e.g. boxSizing not box-sizing)
*
* ```js
* Modernizr.testProp('pointerEvents') // true
* ```
*
* You can also provide a value as an optional second argument to check if a
* specific value is supported
*
* ```js
* Modernizr.testProp('pointerEvents', 'none') // true
* Modernizr.testProp('pointerEvents', 'penguin') // false
* ```
*/
var testProp = ModernizrProto.testProp = function(prop, value, useValue) {
return testProps([prop], undefined, value, useValue);
};
/*!
{
"name": "CSS textshadow",
"property": "textshadow",
"caniuse": "css-textshadow",
"tags": ["css"],
"knownBugs": ["FF3.0 will false positive on this test"]
}
!*/
Modernizr.addTest('textshadow', testProp('textShadow', '1px 1px'));
/**
* 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.
*
* @access private
* @function testPropsAll
* @param {string} prop - A string of the property to test for
* @param {string|object} [prefixed] - An object to check the prefixed properties on. Use a string to skip
* @param {HTMLElement|SVGElement} [elem] - An element used to test the property and value against
* @param {string} [value] - A string of a css value
* @param {boolean} [skipValueTest] - An boolean representing if you want to test if value sticks when set
*/
function testPropsAll(prop, prefixed, elem, value, skipValueTest) {
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, value, skipValueTest);
// otherwise, they called .prefixed('requestAnimationFrame', window[, elem])
} else {
props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
return testDOMProps(props, prefixed, elem);
}
}
// 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')
ModernizrProto.testAllProps = testPropsAll;
/**
* testAllProps determines whether a given CSS property is supported in the browser
*
* @memberof Modernizr
* @name Modernizr.testAllProps
* @optionName Modernizr.testAllProps()
* @optionProp testAllProps
* @access public
* @function testAllProps
* @param {string} prop - String naming the property to test (either camelCase or kebab-case)
* @param {string} [value] - String of the value to test
* @param {boolean} [skipValueTest=false] - Whether to skip testing that the value is supported when using non-native detection
* @example
*
* testAllProps determines whether a given CSS property, in some prefixed form,
* is supported by the browser.
*
* ```js
* testAllProps('boxSizing') // true
* ```
*
* It can optionally be given a CSS value in string form to test if a property
* value is valid
*
* ```js
* testAllProps('display', 'block') // true
* testAllProps('display', 'penguin') // false
* ```
*
* A boolean can be passed as a third parameter to skip the value check when
* native detection (@supports) isn't available.
*
* ```js
* testAllProps('shapeOutside', 'content-box', true);
* ```
*/
function testAllProps(prop, value, skipValueTest) {
return testPropsAll(prop, undefined, undefined, value, skipValueTest);
}
ModernizrProto.testAllProps = testAllProps;
/*!
{
"name": "CSS Animations",
"property": "cssanimations",
"caniuse": "css-animation",
"polyfills": ["transformie", "csssandpaper"],
"tags": ["css"],
"warnings": ["Android < 4 will pass this test, but can only animate a single property at a time"],
"notes": [{
"name" : "Article: 'Dispelling the Android CSS animation myths'",
"href": "https://goo.gl/OGw5Gm"
}]
}
!*/
/* DOC
Detects whether or not elements can be animated using CSS
*/
Modernizr.addTest('cssanimations', testAllProps('animationName', 'a', true));
/*!
{
"name": "Background Size",
"property": "backgroundsize",
"tags": ["css"],
"knownBugs": ["This will false positive in Opera Mini - https://github.com/Modernizr/Modernizr/issues/396"],
"notes": [{
"name": "Related Issue",
"href": "https://github.com/Modernizr/Modernizr/issues/396"
}]
}
!*/
Modernizr.addTest('backgroundsize', testAllProps('backgroundSize', '100%', true));
/*!
{
"name": "Border Image",
"property": "borderimage",
"caniuse": "border-image",
"polyfills": ["css3pie"],
"knownBugs": ["Android < 2.0 is true, but has a broken implementation"],
"tags": ["css"]
}
!*/
Modernizr.addTest('borderimage', testAllProps('borderImage', 'url() 1', true));
/*!
{
"name": "Border Radius",
"property": "borderradius",
"caniuse": "border-radius",
"polyfills": ["css3pie"],
"tags": ["css"],
"notes": [{
"name": "Comprehensive Compat Chart",
"href": "https://muddledramblings.com/table-of-css3-border-radius-compliance"
}]
}
!*/
Modernizr.addTest('borderradius', testAllProps('borderRadius', '0px', true));
/*!
{
"name": "Box Shadow",
"property": "boxshadow",
"caniuse": "css-boxshadow",
"tags": ["css"],
"knownBugs": [
"WebOS false positives on this test.",
"The Kindle Silk browser false positives"
]
}
!*/
Modernizr.addTest('boxshadow', testAllProps('boxShadow', '1px 1px', true));
/*!
{
"name": "CSS Transforms",
"property": "csstransforms",
"caniuse": "transforms2d",
"tags": ["css"]
}
!*/
Modernizr.addTest('csstransforms', function() {
// Android < 3.0 is buggy, so we sniff and blacklist
// http://git.io/hHzL7w
return navigator.userAgent.indexOf('Android 2.') === -1 &&
testAllProps('transform', 'scale(1)', true);
});
/*!
{
"name": "CSS Transforms 3D",
"property": "csstransforms3d",
"caniuse": "transforms3d",
"tags": ["css"],
"warnings": [
"Chrome may occassionally fail this test on some systems; more info: https://code.google.com/p/chromium/issues/detail?id=129004"
]
}
!*/
Modernizr.addTest('csstransforms3d', function() {
var ret = !!testAllProps('perspective', '1px', true);
var usePrefix = Modernizr._config.usePrefixes;
// 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 && (!usePrefix || 'webkitPerspective' in docElement.style)) {
var mq;
var defaultStyle = '#modernizr{width:0;height:0}';
// Use CSS Conditional Rules if available
if (Modernizr.supports) {
mq = '@supports (perspective: 1px)';
} else {
// Otherwise, Webkit allows this media query to succeed only if the feature is enabled.
// `@media (transform-3d),(-webkit-transform-3d){ ... }`
mq = '@media (transform-3d)';
if (usePrefix) {
mq += ',(-webkit-transform-3d)';
}
}
mq += '{#modernizr{width:7px;height:18px;margin:0;padding:0;border:0}}';
testStyles(defaultStyle + mq, function(elem) {
ret = elem.offsetWidth === 7 && elem.offsetHeight === 18;
});
}
return ret;
});
/*!
{
"name": "CSS Transitions",
"property": "csstransitions",
"caniuse": "css-transitions",
"tags": ["css"]
}
!*/
Modernizr.addTest('csstransitions', testAllProps('transition', 'all', true));
// Run each test
testRunner();
// Remove the "no-js" class if it exists
setClasses(classes);
delete ModernizrProto.addTest;
delete ModernizrProto.addAsyncTest;
// Run the things that are supposed to run after the tests
for (var i = 0; i < Modernizr._q.length; i++) {
Modernizr._q[i]();
}
// Leak Modernizr namespace
window.Modernizr = Modernizr;
;
})(window, document);