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modernizr-1.5.js
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modernizr-1.5.js
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/*!
* Modernizr JavaScript library 1.5
* http://www.modernizr.com/
*
* Copyright (c) 2009-2010 Faruk Ates - http://farukat.es/
* Dual-licensed under the BSD and MIT licenses.
* http://www.modernizr.com/license/
*
* Featuring major contributions by
* Paul Irish - http://paulirish.com
*/
/*
* LicenseModernizr is available under the MIT and BSD licenses:
* MIT License
* Copyright (c) 2009–2010 Faruk Ate?
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* BSD License
* Copyright (c) 2010, Faruk Ate?
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Organization nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDER BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Modernizr is a script that will detect native CSS3 and HTML5 features
* available in the current UA and provide an object containing all
* features with a true/false value, depending on whether the UA has
* native support for it or not.
*
* In addition to that, Modernizr will add classes to the <html>
* element of the page, one for each cutting-edge feature. If the UA
* supports it, a class like "cssgradients" will be added. If not,
* the class name will be "no-cssgradients". This allows for simple
* if-conditionals in CSS styling, making it easily to have fine
* control over the look and feel of your website.
*
* @author Faruk Ates
* @copyright (c) 2009-2010 Faruk Ates.
*
* @contributor Paul Irish
* @contributor Ben Alman
*/
window.Modernizr = (function(window,doc,undefined){
var version = '1.5',
ret = {},
/**
* enableHTML5 is a private property for advanced use only. If enabled,
* it will make Modernizr.init() run through a brief while() loop in
* which it will create all HTML5 elements in the DOM to allow for
* styling them in Internet Explorer, which does not recognize any
* non-HTML4 elements unless created in the DOM this way.
*
* enableHTML5 is ON by default.
*/
enableHTML5 = true,
/**
* fontfaceCheckDelay is the ms delay before the @font-face test is
* checked a second time. This is neccessary because both Gecko and
* WebKit do not load data: URI font data synchronously.
* https://bugzilla.mozilla.org/show_bug.cgi?id=512566
* The check will be done again at fontfaceCheckDelay*2 and then
* a fourth time at window's load event.
* If you need to query for @font-face support, send a callback to:
* Modernizr._fontfaceready(fn);
* The callback is passed the boolean value of Modernizr.fontface
*/
fontfaceCheckDelay = 75,
docElement = doc.documentElement,
/**
* Create our "modernizr" element that we do most feature tests on.
*/
mod = 'modernizr',
m = doc.createElement( mod ),
m_style = m.style,
/**
* Create the input element for various Web Forms feature tests.
*/
f = doc.createElement( 'input' ),
// Reused strings, stored here to allow better minification
canvas = 'canvas',
canvastext = 'canvastext',
rgba = 'rgba',
hsla = 'hsla',
multiplebgs = 'multiplebgs',
backgroundsize = 'backgroundsize',
borderimage = 'borderimage',
borderradius = 'borderradius',
boxshadow = 'boxshadow',
opacity = 'opacity',
cssanimations = 'cssanimations',
csscolumns = 'csscolumns',
cssgradients = 'cssgradients',
cssreflections = 'cssreflections',
csstransforms = 'csstransforms',
csstransforms3d = 'csstransforms3d',
csstransitions = 'csstransitions',
fontface = 'fontface',
geolocation = 'geolocation',
video = 'video',
audio = 'audio',
input = 'input',
inputtypes = input + 'types',
// inputtypes is an object of its own containing individual tests for
// various new input types, such as search, range, datetime, etc.
svg = 'svg',
smil = 'smil',
svgclippaths = svg+'clippaths',
background = 'background',
backgroundColor = background + 'Color',
canPlayType = 'canPlayType',
// FF gets really angry if you name local variables as these, but camelCased.
localstorage = 'localStorage',
sessionstorage = 'sessionStorage',
applicationcache = 'applicationCache',
webWorkers = 'webworkers',
hashchange = 'hashchange',
crosswindowmessaging = 'crosswindowmessaging',
historymanagement = 'historymanagement',
draganddrop = 'draganddrop',
websqldatabase = 'websqldatabase',
indexedDB = 'indexedDB',
websockets = 'websockets',
smile = ':)',
// IE7 gets mad if you name a local variable `toString`
tostring = Object.prototype.toString,
// list of property values to set for css tests. see ticket #21
prefixes = ' -o- -moz- -ms- -webkit- -khtml- '.split(' '),
tests = {},
inputs = {},
attrs = {},
classes = [],
/**
* isEventSupported determines if a given element supports the given event
* function from http://yura.thinkweb2.com/isEventSupported/
*/
isEventSupported = (function(){
var TAGNAMES = {
'select':'input','change':'input',
'submit':'form','reset':'form',
'error':'img','load':'img','abort':'img'
},
cache = { };
function isEventSupported(eventName, element) {
var canCache = (arguments.length == 1);
// only return cached result when no element is given
if (canCache && cache[eventName]) {
return cache[eventName];
}
element = element || document.createElement(TAGNAMES[eventName] || 'div');
eventName = 'on' + eventName;
// When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize"
// `in` "catches" those
var isSupported = (eventName in element);
if (!isSupported && element.setAttribute) {
element.setAttribute(eventName, 'return;');
isSupported = typeof element[eventName] == 'function';
}
element = null;
return canCache ? (cache[eventName] = isSupported) : isSupported;
}
return isEventSupported;
})();
var _hasOwnProperty = ({}).hasOwnProperty, hasOwnProperty;
if (typeof _hasOwnProperty !== 'undefined' && typeof _hasOwnProperty.call !== 'undefined') {
hasOwnProperty = function (object, property) {
return _hasOwnProperty.call(object, property);
};
}
else {
hasOwnProperty = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */
return ((property in object) && typeof object.constructor.prototype[property] === 'undefined');
};
}
/**
* set_css applies given styles to the Modernizr DOM node.
*/
function set_css( str ) {
m_style.cssText = str;
}
/**
* set_css_all extrapolates all vendor-specific css strings.
*/
function set_css_all( str1, str2 ) {
return set_css(prefixes.join(str1 + ';') + ( str2 || '' ));
}
/**
* contains returns a boolean for if substr is found within str.
*/
function contains( str, substr ) {
return (''+str).indexOf( substr ) !== -1;
}
/**
* test_props is a generic CSS / DOM property test; if a browser supports
* a certain property, it won't return undefined for it.
* A supported CSS property returns empty string when its not yet set.
*/
function test_props( props, callback ) {
for ( var i in props ) {
if ( m_style[ props[i] ] !== undefined && ( !callback || callback( props[i], m ) ) ) {
return true;
}
}
}
/**
* test_props_all tests a list of DOM properties we want to check against.
* We specify literally ALL possible (known and/or likely) properties on
* the element including the non-vendor prefixed one, for forward-
* compatibility.
*/
function test_props_all( prop, callback ) {
var uc_prop = prop.charAt(0).toUpperCase() + prop.substr(1),
// following spec is to expose vendor-specific style properties as:
// elem.style.WebkitBorderRadius
// and the following would be incorrect:
// elem.style.webkitBorderRadius
// Webkit and Mozilla are nice enough to ghost their properties in the lowercase
// version but Opera does not.
// see more here: http://github.com/Modernizr/Modernizr/issues/issue/21
props = [
prop,
'Webkit' + uc_prop,
'Moz' + uc_prop,
'O' + uc_prop,
'ms' + uc_prop,
'Khtml' + uc_prop
];
return !!test_props( props, callback );
}
/**
* Tests
*/
tests[canvas] = function() {
return !!doc.createElement( canvas ).getContext;
};
tests[canvastext] = function() {
return !!(tests[canvas]() && typeof doc.createElement( canvas ).getContext('2d').fillText == 'function');
};
/**
* The Modernizr.touch test only indicates if the browser supports
* touch events, which does not necessarily reflect a touchscreen
* device, as evidenced by tablets running Windows 7 or, alas,
* the Palm Pre / WebOS (touch) phones.
* Additionally, chrome used to lie about its support on this, but that
* has since been recitifed: http://crbug.com/36415
* Because there is no way to reliably detect Chrome's false positive
* without UA sniffing we have removed this test from Modernizr. We
* hope to add it in after Chrome 5 has been sunsetted.
* See also http://github.com/Modernizr/Modernizr/issues#issue/84
tests[touch] = function() {
return !!('ontouchstart' in window);
};
*/
/**
* geolocation tests for the new Geolocation API specification.
* This test is a standards compliant-only test; for more complete
* testing, including a Google Gears fallback, please see:
* http://code.google.com/p/geo-location-javascript/
* or view a fallback solution using google's geo API:
* http://gist.github.com/366184
*/
tests[geolocation] = function() {
return !!navigator.geolocation;
};
tests[crosswindowmessaging] = function() {
return !!window.postMessage;
};
tests[websqldatabase] = function() {
var result = !!window.openDatabase;
if (result){
try {
result = !!openDatabase("testdb", "1.0", "html5 test db", 200000);
} catch(err) {
result = false;
}
}
return result;
};
tests[indexedDB] = function(){
return !!window[indexedDB];
};
// documentMode logic from YUI to filter out IE8 Compat Mode
// which false positives.
tests[hashchange] = function() {
return isEventSupported(hashchange, window) && ( document.documentMode === undefined || document.documentMode > 7 );
};
tests[historymanagement] = function() {
return !!(window.history && history.pushState);
};
tests[draganddrop] = function() {
return isEventSupported('drag')
&& isEventSupported('dragstart')
&& isEventSupported('dragenter')
&& isEventSupported('dragover')
&& isEventSupported('dragleave')
&& isEventSupported('dragend')
&& isEventSupported('drop');
};
tests[websockets] = function(){
return ('WebSocket' in window);
};
// http://css-tricks.com/rgba-browser-support/
tests[rgba] = function() {
// Set an rgba() color and check the returned value
set_css( background + '-color:rgba(150,255,150,.5)' );
return contains( m_style[backgroundColor], rgba );
};
tests[hsla] = function() {
// Same as rgba(), in fact, browsers re-map hsla() to rgba() internally
set_css( background + '-color:hsla(120,40%,100%,.5)' );
return contains( m_style[backgroundColor], rgba );
};
tests[multiplebgs] = function() {
// Setting multiple images AND a color on the background shorthand property
// and then querying the style.background property value for the number of
// occurrences of "url(" is a reliable method for detecting ACTUAL support for this!
set_css( background + ':url(//:),url(//:),red url(//:)' );
// If the UA supports multiple backgrounds, there should be three occurrences
// of the string "url(" in the return value for elem_style.background
return new RegExp("(url\\s*\\(.*?){3}").test(m_style[background]);
};
// In testing support for a given CSS property, it's legit to test:
// elem.style[styleName] !== undefined
// If the property is supported it will return an empty string,
// if unsupported it will return undefined.
// We'll take advantage of this quick test and skip setting a style
// on our modernizr element, but instead just testing undefined vs
// empty string.
// The legacy set_css_all calls will remain in the source
// (however, commented) in for clarity, yet functionally they are
// no longer needed.
tests[backgroundsize] = function() {
return test_props_all( background + 'Size' );
};
tests[borderimage] = function() {
// set_css_all( 'border-image:url(m.png) 1 1 stretch' );
return test_props_all( 'borderImage' );
};
// super comprehensive table about all the unique implementations of
// border-radius: http://muddledramblings.com/table-of-css3-border-radius-compliance
tests[borderradius] = function() {
// set_css_all( 'border-radius:10px' );
return test_props_all( 'borderRadius', '', function( prop ) {
return contains( prop, 'orderRadius' );
});
};
tests[boxshadow] = function() {
// set_css_all( 'box-shadow:#000 1px 1px 3px' );
return test_props_all( 'boxShadow' );
};
tests[opacity] = function() {
// Browsers that actually have CSS Opacity implemented have done so
// according to spec, which means their return values are within the
// range of [0.0,1.0] - including the leading zero.
set_css_all( 'opacity:.5' );
return contains( m_style[opacity], '0.5' );
};
tests[cssanimations] = function() {
// set_css_all( 'animation:"animate" 2s ease 2', 'position:relative' );
return test_props_all( 'animationName' );
};
tests[csscolumns] = function() {
// set_css_all( 'column-count:3' );
return test_props_all( 'columnCount' );
};
tests[cssgradients] = function() {
/**
* For CSS Gradients syntax, please see:
* http://webkit.org/blog/175/introducing-css-gradients/
* https://developer.mozilla.org/en/CSS/-moz-linear-gradient
* https://developer.mozilla.org/en/CSS/-moz-radial-gradient
* http://dev.w3.org/csswg/css3-images/#gradients-
*/
var str1 = background + '-image:',
str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));',
str3 = 'linear-gradient(left top,#9f9, white);';
set_css(
(str1 + prefixes.join(str2 + str1) + prefixes.join(str3 + str1)).slice(0,-str1.length)
);
return contains( m_style.backgroundImage, 'gradient' );
};
tests[cssreflections] = function() {
// set_css_all( 'box-reflect:right 1px' );
return test_props_all( 'boxReflect' );
};
tests[csstransforms] = function() {
// set_css_all( 'transform:rotate(3deg)' );
return !!test_props([ 'transformProperty', 'WebkitTransform', 'MozTransform', 'OTransform', 'msTransform' ]);
};
tests[csstransforms3d] = function() {
// set_css_all( 'perspective:500' );
var ret = !!test_props([ 'perspectiveProperty', 'WebkitPerspective', 'MozPerspective', 'OPerspective', 'msPerspective' ]);
// webkit has 3d transforms disabled for chrome, though
// it works fine in safari on leopard and snow leopard
// as a result, it 'recognizes' the syntax and throws a false positive
// thus we must do a more thorough check:
if (ret){
var st = document.createElement('style'),
div = doc.createElement('div');
// webkit allows this media query to succeed only if the feature is enabled.
// "@media (transform-3d),(-o-transform-3d),(-moz-transform-3d),(-ms-transform-3d),(-webkit-transform-3d),(modernizr){#modernizr{height:3px}}"
st.textContent = '@media ('+prefixes.join('transform-3d),(')+'modernizr){#modernizr{height:3px}}';
doc.getElementsByTagName('head')[0].appendChild(st);
div.id = 'modernizr';
docElement.appendChild(div);
ret = div.offsetHeight === 3;
st.parentNode.removeChild(st);
div.parentNode.removeChild(div);
}
return ret;
};
tests[csstransitions] = function() {
// set_css_all( 'transition:all .5s linear' );
return test_props_all( 'transitionProperty' );
};
// @font-face detection routine created by Paul Irish - paulirish.com
// Merged into Modernizr with approval. Read more about Paul's work here:
// http://paulirish.com/2009/font-face-feature-detection/
tests[fontface] = function(){
var fontret;
if (/*@cc_on@if(@_jscript_version>=5)!@end@*/0) fontret = true;
else {
// Create variables for dedicated @font-face test
var st = doc.createElement('style'),
spn = doc.createElement('span'),
size, isFakeBody = false, body = doc.body,
callback, isCallbackCalled;
// The following is a font-face + glyph definition for the . character:
st.textContent = "@font-face{font-family:testfont;src:url('data:font/ttf;base64,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')}";
doc.getElementsByTagName('head')[0].appendChild(st);
// we don't use `serif` and we don't use `monospace`
// http://github.com/Modernizr/Modernizr/issues/closed#issue/39
// http://neugierig.org/software/chromium/notes/2009/09/monospace-fonts-workaround.html
spn.setAttribute('style','font:99px _,arial,helvetica;position:absolute;visibility:hidden');
if (!body){
body = docElement.appendChild(doc.createElement(fontface));
isFakeBody = true;
}
// the data-uri'd font only has the . glyph; which is 3 pixels wide.
spn.innerHTML = '........';
spn.id = 'fonttest';
body.appendChild(spn);
size = spn.offsetWidth*spn.offsetHeight;
spn.style.font = '99px testfont,_,arial,helvetica';
// needed for the CSSFontFaceRule false positives (ff3, chrome, op9)
fontret = size !== spn.offsetWidth*spn.offsetHeight;
function delayedCheck(){
if (!body.parentNode) return;
fontret = ret[fontface] = size !== spn.offsetWidth*spn.offsetHeight;
docElement.className = docElement.className.replace(/(no-)?fontface\b/,'') + (fontret ? ' ' : ' no-') + fontface;
}
setTimeout(delayedCheck,fontfaceCheckDelay);
setTimeout(delayedCheck,fontfaceCheckDelay*2);
addEventListener('load',function(){
delayedCheck();
(isCallbackCalled = true) && callback && callback(fontret);
setTimeout(function(){
if (!isFakeBody) body = spn;
body.parentNode.removeChild(body);
st.parentNode.removeChild(st);
}, 50);
},false);
}
// allow for a callback
ret._fontfaceready = function(fn){
(isCallbackCalled || fontret) ? fn(fontret) : (callback = fn);
}
return fontret || size !== spn.offsetWidth;
};
// These tests evaluate support of the video/audio elements, as well as
// testing what types of content they support.
//
// we're using the Boolean constructor here, so that we can extend the value
// e.g. Modernizr.video // true
// Modernizr.video.ogg // 'probably'
//
// codec values from : http://github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845
// thx to NielsLeenheer and zcorpan
tests[video] = function() {
var elem = doc.createElement(video),
bool = !!elem[canPlayType];
if (bool){
bool = new Boolean(bool);
bool.ogg = elem[canPlayType]('video/ogg; codecs="theora"');
bool.h264 = elem[canPlayType]('video/mp4; codecs="avc1.42E01E"');
bool.webm = elem[canPlayType]('video/webm; codecs="vp8, vorbis"');
}
return bool;
};
tests[audio] = function() {
var elem = doc.createElement(audio),
bool = !!elem[canPlayType];
if (bool){
bool = new Boolean(bool);
bool.ogg = elem[canPlayType]('audio/ogg; codecs="vorbis"');
bool.mp3 = elem[canPlayType]('audio/mpeg;');
// mimetypes accepted:
// https://developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements
// http://bit.ly/iphoneoscodecs
bool.wav = elem[canPlayType]('audio/wav; codecs="1"');
bool.m4a = elem[canPlayType]('audio/x-m4a;') || elem[canPlayType]('audio/aac;');
}
return bool;
};
// both localStorage and sessionStorage are
// tested in this method because otherwise Firefox will
// throw an error: https://bugzilla.mozilla.org/show_bug.cgi?id=365772
// if cookies are disabled
// FWIW miller device resolves to [object Storage] in all supporting browsers
// except for IE who does [object Object]
// IE8 Compat mode supports these features completely:
// http://www.quirksmode.org/dom/html5.html
tests[localstorage] = function() {
return ('localStorage' in window) && window[localstorage] !== null;
};
tests[sessionstorage] = function() {
// try/catch required for pissy FF behavior
try {
return ('sessionStorage' in window) && window[sessionstorage] !== null;
} catch(e){
return false;
}
};
tests[webWorkers] = function () {
return !!window.Worker;
};
tests[applicationcache] = function() {
var cache = window[applicationcache];
return !!(cache && (typeof cache.status != 'undefined') && (typeof cache.update == 'function') && (typeof cache.swapCache == 'function'));
};
// thanks to Erik Dahlstrom
tests[svg] = function(){
return !!doc.createElementNS && !!doc.createElementNS( "http://www.w3.org/2000/svg", "svg").createSVGRect;
};
// thanks to F1lt3r and lucideer
// http://github.com/Modernizr/Modernizr/issues#issue/35
tests[smil] = function(){
return !!doc.createElementNS && /SVG/.test(tostring.call(doc.createElementNS('http://www.w3.org/2000/svg','animate')));
};
tests[svgclippaths] = function(){
// returns a false positive in saf 3.2?
return !!doc.createElementNS && /SVG/.test(tostring.call(doc.createElementNS('http://www.w3.org/2000/svg','clipPath')));
};
// input features and input types go directly onto the ret object, bypassing the tests loop.
// hold this guy to execute in a moment.
function webforms(){
// Run through HTML5's new input attributes to see if the UA understands any.
// We're using f which is the <input> element created early on
// Mike Taylr has created a comprehensive resource for testing these attributes
// when applied to all input types:
// http://miketaylr.com/code/input-type-attr.html
// spec: http://www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary
ret[input] = (function(props) {
for (var i = 0,len=props.length;i<len;i++) {
attrs[ props[i] ] = !!(props[i] in f);
}
return attrs;
})('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' '));
// Run through HTML5's new input types to see if the UA understands any.
// This is put behind the tests runloop because it doesn't return a
// true/false like all the other tests; instead, it returns an object
// containing each input type with its corresponding true/false value
// Big thx to @miketaylr for the html5 forms expertise. http://miketaylr.com/
ret[inputtypes] = (function(props) {
for (var i = 0,bool,len=props.length;i<len;i++) {
f.setAttribute('type', props[i]);
bool = f.type !== 'text';
// chrome likes to falsely purport support, so we feed it a textual value
// if that doesnt succeed then we know there's a custom UI
if (bool){
f.value = smile;
/* Safari 4 is allowing the smiley as a value, and incorrecty failing..
the test fixes for webkit only, but breaks Opera..
if (/range/.test(f.type)){
bool = test_props_all('appearance',function(prop,m){ return m_style[prop] !== 'textfield' })
}
*/
if (/tel|search/.test(f.type)){
// spec doesnt define any special parsing or detectable UI
// behaviors so we pass these through as true
} else if (/url|email/.test(f.type)) {
// real url and email support comes with prebaked validation.
bool = f.checkValidity && f.checkValidity() === false;
} else {
bool = f.value != smile;
}
}
inputs[ props[i] ] = !!bool;
}
return inputs;
})('search tel url email datetime date month week time datetime-local number range color'.split(' '));
}
// end of test definitions
// Run through all tests and detect their support in the current UA.
// todo: hypothetically we could be doing an array of tests and use a basic loop here.
for ( var feature in tests ) {
if ( hasOwnProperty( tests, feature ) ) {
// run the test, throw the return value into the Modernizr,
// then based on that boolean, define an appropriate className
// and push it into an array of classes we'll join later.
classes.push( ( ( ret[ feature.toLowerCase() ] = tests[ feature ]() ) ? '' : 'no-' ) + feature.toLowerCase() );
}
}
// input tests need to run.
if (!ret[input]) webforms();
/**
* Addtest allows the user to define their own feature tests
* the result will be added onto the Modernizr object,
* as well as an appropriate className set on the html element
*
* @param feature - String naming the feature
* @param test - Function returning true if feature is supported, false if not
*/
ret.addTest = function (feature, test) {
feature = feature.toLowerCase();
if (ret[ feature ]) {
return; // quit if you're trying to overwrite an existing test
}
test = !!(test());
docElement.className += ' ' + (test ? '' : 'no-') + feature;
ret[ feature ] = test;
return ret; // allow chaining.
};
/**
* Reset m.style.cssText to nothing to reduce memory footprint.
*/
set_css( '' );
m = f = null;
// Enable HTML 5 elements for styling in IE.
// fyi: jscript version does not reflect trident version
// therefore ie9 in ie7 mode will still have a jScript v.9
if ( enableHTML5 && (function(){ var elem = doc.createElement("div");
elem.innerHTML = "<elem></elem>";
return elem.childNodes.length !== 1; })()) {
// iepp v1.5.1 MIT @jon_neal http://code.google.com/p/ie-print-protector/
(function(p,e){function q(a,b){if(g[a])g[a].styleSheet.cssText+=b;else{var c=r[l],d=e[j]("style");d.media=a;c.insertBefore(d,c[l]);g[a]=d;q(a,b)}}function s(a,b){for(var c=new RegExp("\\b("+m+")\\b(?!.*[;}])","gi"),d=function(k){return".iepp_"+k},h=-1;++h<a.length;){b=a[h].media||b;s(a[h].imports,b);q(b,a[h].cssText.replace(c,d))}}function t(){for(var a,b=e.getElementsByTagName("*"),c,d,h=new RegExp("^"+m+"$","i"),k=-1;++k<b.length;)if((a=b[k])&&(d=a.nodeName.match(h))){c=new RegExp("^\\s*<"+d+"(.*)\\/"+d+">\\s*$","i");i.innerHTML=a.outerHTML.replace(/\r|\n/g," ").replace(c,a.currentStyle.display=="block"?"<div$1/div>":"<span$1/span>");c=i.childNodes[0];c.className+=" iepp_"+d;c=f[f.length]=[a,c];a.parentNode.replaceChild(c[1],c[0])}s(e.styleSheets,"all")}function u(){for(var a=-1,b;++a<f.length;)f[a][1].parentNode.replaceChild(f[a][0],f[a][1]);for(b in g)r[l].removeChild(g[b]);g={};f=[]}for(var r=e.documentElement,i=e.createDocumentFragment(),g={},m="abbr|article|aside|audio|canvas|command|datalist|details|figure|figcaption|footer|header|hgroup|keygen|mark|meter|nav|output|progress|section|source|summary|time|video",n=m.split("|"),f=[],o=-1,l="firstChild",j="createElement";++o<n.length;){e[j](n[o]);i[j](n[o])}i=i.appendChild(e[j]("div"));p.attachEvent("onbeforeprint",t);p.attachEvent("onafterprint",u)})(this,doc);
}
// Assign private properties to the return object with prefix
ret._enableHTML5 = enableHTML5;
ret._version = version;
// Remove "no-js" class from <html> element, if it exists:
docElement.className=docElement.className.replace(/\bno-js\b/,'') + ' js';
// Add the new classes to the <html> element.
docElement.className += ' ' + classes.join( ' ' );
return ret;
})(this,this.document);