mirror of
https://github.com/KevinMidboe/linguist.git
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1296 lines
46 KiB
JavaScript
1296 lines
46 KiB
JavaScript
/*!
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* Modernizr v2.6pre
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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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* 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 = '2.5.3',
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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,
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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 ? 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>', 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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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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!body ? fakeBody.parentNode.removeChild(fakeBody) : div.parentNode.removeChild(div);
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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).matches;
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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, hasOwnProperty;
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if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) {
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hasOwnProperty = 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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hasOwnProperty = 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") throw new TypeError();
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var
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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(self, args.concat(slice.call(arguments)));
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if (Object(result) === result) return result;
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return self;
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} else {
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return target.apply( that, args.concat(slice.call(arguments)));
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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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function testProps( props, prefixed ) {
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for ( var i in props ) {
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if ( mStyle[ props[i] ] !== undefined ) {
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return prefixed == 'pfx' ? props[i] : 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.substr(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('flexOrder');
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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: http://www.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
|
|
// of the string "url(" in the return value for elemStyle.background
|
|
|
|
return /(url\s*\(.*?){3}/.test(mStyle.background);
|
|
};
|
|
|
|
|
|
|
|
// this will false positive in Opera Mini
|
|
// github.com/Modernizr/Modernizr/issues/396
|
|
|
|
tests['backgroundsize'] = function() {
|
|
return testPropsAll('backgroundSize');
|
|
};
|
|
|
|
tests['borderimage'] = function() {
|
|
return testPropsAll('borderImage');
|
|
};
|
|
|
|
|
|
// Super comprehensive table about all the unique implementations of
|
|
// border-radius: muddledramblings.com/table-of-css3-border-radius-compliance
|
|
|
|
tests['borderradius'] = function() {
|
|
return testPropsAll('borderRadius');
|
|
};
|
|
|
|
// WebOS unfortunately false positives on this test.
|
|
tests['boxshadow'] = function() {
|
|
return testPropsAll('boxShadow');
|
|
};
|
|
|
|
// FF3.0 will false positive on this test
|
|
tests['textshadow'] = function() {
|
|
return document.createElement('div').style.textShadow === '';
|
|
};
|
|
|
|
|
|
tests['opacity'] = function() {
|
|
// Browsers that actually have CSS Opacity implemented have done so
|
|
// according to spec, which means their return values are within the
|
|
// range of [0.0,1.0] - including the leading zero.
|
|
|
|
setCssAll('opacity:.55');
|
|
|
|
// The non-literal . in this regex is intentional:
|
|
// German Chrome returns this value as 0,55
|
|
// github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632
|
|
return /^0.55$/.test(mStyle.opacity);
|
|
};
|
|
|
|
|
|
// Note, Android < 4 will pass this test, but can only animate
|
|
// a single property at a time
|
|
// daneden.me/2011/12/putting-up-with-androids-bullshit/
|
|
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.styleSheets[document.styleSheets.length - 1],
|
|
cssText = style ? (style.cssRules && style.cssRules[0] ? style.cssRules[0].cssText : style.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(['#modernizr:after{content:"',smile,'";visibility:hidden}'].join(''), function( node ) {
|
|
bool = node.offsetHeight >= 1;
|
|
});
|
|
|
|
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 ( hasOwnProperty(tests, feature) ) {
|
|
// run the test, throw the return value into the Modernizr,
|
|
// then based on that boolean, define an appropriate className
|
|
// and push it into an array of classes we'll join later.
|
|
featureName = feature.toLowerCase();
|
|
Modernizr[featureName] = tests[feature]();
|
|
|
|
classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
|
|
}
|
|
}
|
|
|
|
/*>>webforms*/
|
|
// input tests need to run.
|
|
Modernizr.input || webforms();
|
|
/*>>webforms*/
|
|
|
|
|
|
/*>>addtest*/
|
|
/**
|
|
* addTest allows the user to define their own feature tests
|
|
* the result will be added onto the Modernizr object,
|
|
* as well as an appropriate className set on the html element
|
|
*
|
|
* @param feature - String naming the feature
|
|
* @param test - Function returning true if feature is supported, false if not
|
|
*/
|
|
Modernizr.addTest = function ( feature, test ) {
|
|
if ( typeof feature == 'object' ) {
|
|
for ( var key in feature ) {
|
|
if ( hasOwnProperty( feature, key ) ) {
|
|
Modernizr.addTest( key, feature[ key ] );
|
|
}
|
|
}
|
|
} else {
|
|
|
|
feature = feature.toLowerCase();
|
|
|
|
if ( Modernizr[feature] !== undefined ) {
|
|
// we're going to quit if you're trying to overwrite an existing test
|
|
// if we were to allow it, we'd do this:
|
|
// var re = new RegExp("\\b(no-)?" + feature + "\\b");
|
|
// docElement.className = docElement.className.replace( re, '' );
|
|
// but, no rly, stuff 'em.
|
|
return Modernizr;
|
|
}
|
|
|
|
test = typeof test == 'function' ? test() : test;
|
|
|
|
if (enableClasses) {
|
|
docElement.className += ' ' + (test ? '' : 'no-') + feature;
|
|
}
|
|
Modernizr[feature] = test;
|
|
|
|
}
|
|
|
|
return Modernizr; // allow chaining.
|
|
};
|
|
/*>>addtest*/
|
|
|
|
|
|
// Reset modElem.cssText to nothing to reduce memory footprint.
|
|
setCss('');
|
|
modElem = inputElem = null;
|
|
|
|
/*>>shiv*/
|
|
/*! HTML5 Shiv v3.5 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed */
|
|
;(function(window, document) {
|
|
|
|
/** Preset options */
|
|
var options = window.html5 || {};
|
|
|
|
/** Used to skip problem elements */
|
|
var reSkip = /^<|^(?:button|form|map|select|textarea|object|iframe|option|optgroup)$/i;
|
|
|
|
/** Not all elements can be cloned in IE (this list can be shortend) **/
|
|
var saveClones = /^<|^(?:a|b|button|code|div|fieldset|form|h1|h2|h3|h4|h5|h6|i|iframe|img|input|label|li|link|ol|option|p|param|q|script|select|span|strong|style|table|tbody|td|textarea|tfoot|th|thead|tr|ul)$/i;
|
|
|
|
/** Detect whether the browser supports default html5 styles */
|
|
var supportsHtml5Styles;
|
|
|
|
/** Detect whether the browser supports unknown elements */
|
|
var supportsUnknownElements;
|
|
|
|
(function() {
|
|
var a = document.createElement('a');
|
|
|
|
a.innerHTML = '<xyz></xyz>';
|
|
|
|
//if the hidden property is implemented we can assume, that the browser supports HTML5 Styles | this fails in Chrome 8
|
|
supportsHtml5Styles = ('hidden' in a);
|
|
//if we are part of Modernizr, we do an additional test to solve the Chrome 8 fail
|
|
if(supportsHtml5Styles && typeof injectElementWithStyles == 'function'){
|
|
injectElementWithStyles('#modernizr{}', function(node){
|
|
node.hidden = true;
|
|
supportsHtml5Styles = (window.getComputedStyle ?
|
|
getComputedStyle(node, null) :
|
|
node.currentStyle).display == 'none';
|
|
});
|
|
}
|
|
|
|
supportsUnknownElements = a.childNodes.length == 1 || (function() {
|
|
// assign a false positive if unable to shiv
|
|
try {
|
|
(document.createElement)('a');
|
|
} catch(e) {
|
|
return true;
|
|
}
|
|
var frag = document.createDocumentFragment();
|
|
return (
|
|
typeof frag.cloneNode == 'undefined' ||
|
|
typeof frag.createDocumentFragment == 'undefined' ||
|
|
typeof frag.createElement == 'undefined'
|
|
);
|
|
}());
|
|
|
|
}());
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
/**
|
|
* 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;
|
|
}
|
|
|
|
/**
|
|
* Shivs the `createElement` and `createDocumentFragment` methods of the document.
|
|
* @private
|
|
* @param {Document|DocumentFragment} ownerDocument The document.
|
|
*/
|
|
function shivMethods(ownerDocument) {
|
|
var cache = {},
|
|
docCreateElement = ownerDocument.createElement,
|
|
docCreateFragment = ownerDocument.createDocumentFragment,
|
|
frag = docCreateFragment();
|
|
|
|
ownerDocument.createElement = function(nodeName) {
|
|
//abort shiv
|
|
if(!html5.shivMethods){
|
|
return docCreateElement(nodeName);
|
|
}
|
|
|
|
var node;
|
|
|
|
if(cache[nodeName]){
|
|
node = cache[nodeName].cloneNode();
|
|
} else if(saveClones.test(nodeName)){
|
|
node = (cache[nodeName] = docCreateElement(nodeName)).cloneNode();
|
|
} else {
|
|
node = docCreateElement(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) ? frag.appendChild(node) : node;
|
|
};
|
|
|
|
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) {
|
|
docCreateElement(nodeName);
|
|
frag.createElement(nodeName);
|
|
return 'c("' + nodeName + '")';
|
|
}) +
|
|
');return n}'
|
|
)(html5, frag);
|
|
}
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
/**
|
|
* Shivs the given document.
|
|
* @memberOf html5
|
|
* @param {Document} ownerDocument The document to shiv.
|
|
* @returns {Document} The shived document.
|
|
*/
|
|
function shivDocument(ownerDocument) {
|
|
var shived;
|
|
if (ownerDocument.documentShived) {
|
|
return ownerDocument;
|
|
}
|
|
if (html5.shivCSS && !supportsHtml5Styles) {
|
|
shived = !!addStyleSheet(ownerDocument,
|
|
// corrects block display not defined in IE6/7/8/9
|
|
'article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}' +
|
|
// corrects audio display not defined in IE6/7/8/9
|
|
'audio{display:none}' +
|
|
// corrects canvas and video display not defined in IE6/7/8/9
|
|
'canvas,video{display:inline-block;*display:inline;*zoom:1}' +
|
|
// corrects 'hidden' attribute and audio[controls] display not present in IE7/8/9
|
|
'[hidden]{display:none}audio[controls]{display:inline-block;*display:inline;*zoom:1}' +
|
|
// adds styling not present in IE6/7/8/9
|
|
'mark{background:#FF0;color:#000}'
|
|
);
|
|
}
|
|
if (!supportsUnknownElements) {
|
|
shived = !shivMethods(ownerDocument);
|
|
}
|
|
if (shived) {
|
|
ownerDocument.documentShived = shived;
|
|
}
|
|
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 figcaption figure footer header hgroup mark meter nav output progress section summary time video',
|
|
|
|
/**
|
|
* A flag to indicate that the HTML5 style sheet should be inserted.
|
|
* @memberOf html5
|
|
* @type Boolean
|
|
*/
|
|
'shivCSS': !(options.shivCSS === false),
|
|
|
|
/**
|
|
* 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
|
|
};
|
|
|
|
/*--------------------------------------------------------------------------*/
|
|
|
|
// 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);
|