1 | /*!
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2 | * Modernizr v2.8.3
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3 | * www.modernizr.com
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4 | *
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5 | * Copyright (c) Faruk Ates, Paul Irish, Alex Sexton
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6 | * Available under the BSD and MIT licenses: www.modernizr.com/license/
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7 | */
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8 |
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9 | /*
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10 | * Modernizr tests which native CSS3 and HTML5 features are available in
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11 | * the current UA and makes the results available to you in two ways:
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12 | * as properties on a global Modernizr object, and as classes on the
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13 | * <html> element. This information allows you to progressively enhance
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14 | * your pages with a granular level of control over the experience.
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15 | *
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16 | * Modernizr has an optional (not included) conditional resource loader
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17 | * called Modernizr.load(), based on Yepnope.js (yepnopejs.com).
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18 | * To get a build that includes Modernizr.load(), as well as choosing
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19 | * which tests to include, go to www.modernizr.com/download/
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20 | *
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21 | * Authors Faruk Ates, Paul Irish, Alex Sexton
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22 | * Contributors Ryan Seddon, Ben Alman
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23 | */
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24 |
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25 | window.Modernizr = (function( window, document, undefined ) {
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26 |
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27 | var version = '2.8.3',
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28 |
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29 | Modernizr = {},
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30 |
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31 | /*>>cssclasses*/
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32 | // option for enabling the HTML classes to be added
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33 | enableClasses = true,
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34 | /*>>cssclasses*/
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35 |
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36 | docElement = document.documentElement,
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37 |
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38 | /**
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39 | * Create our "modernizr" element that we do most feature tests on.
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40 | */
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41 | mod = 'modernizr',
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42 | modElem = document.createElement(mod),
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43 | mStyle = modElem.style,
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44 |
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45 | /**
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46 | * Create the input element for various Web Forms feature tests.
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47 | */
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48 | inputElem /*>>inputelem*/ = document.createElement('input') /*>>inputelem*/ ,
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49 |
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50 | /*>>smile*/
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51 | smile = ':)',
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52 | /*>>smile*/
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53 |
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54 | toString = {}.toString,
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55 |
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56 | // TODO :: make the prefixes more granular
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57 | /*>>prefixes*/
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58 | // List of property values to set for css tests. See ticket #21
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59 | prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),
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60 | /*>>prefixes*/
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61 |
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62 | /*>>domprefixes*/
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63 | // Following spec is to expose vendor-specific style properties as:
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64 | // elem.style.WebkitBorderRadius
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65 | // and the following would be incorrect:
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66 | // elem.style.webkitBorderRadius
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67 |
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68 | // Webkit ghosts their properties in lowercase but Opera & Moz do not.
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69 | // Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+
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70 | // erik.eae.net/archives/2008/03/10/21.48.10/
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71 |
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72 | // More here: github.com/Modernizr/Modernizr/issues/issue/21
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73 | omPrefixes = 'Webkit Moz O ms',
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74 |
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75 | cssomPrefixes = omPrefixes.split(' '),
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76 |
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77 | domPrefixes = omPrefixes.toLowerCase().split(' '),
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78 | /*>>domprefixes*/
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79 |
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80 | /*>>ns*/
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81 | ns = {'svg': 'http://www.w3.org/2000/svg'},
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82 | /*>>ns*/
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83 |
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84 | tests = {},
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85 | inputs = {},
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86 | attrs = {},
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87 |
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88 | classes = [],
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89 |
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90 | slice = classes.slice,
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91 |
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92 | featureName, // used in testing loop
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93 |
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94 |
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95 | /*>>teststyles*/
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96 | // Inject element with style element and some CSS rules
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97 | injectElementWithStyles = function( rule, callback, nodes, testnames ) {
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98 |
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99 | var style, ret, node, docOverflow,
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100 | div = document.createElement('div'),
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101 | // After page load injecting a fake body doesn't work so check if body exists
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102 | body = document.body,
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103 | // IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it.
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104 | fakeBody = body || document.createElement('body');
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105 |
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106 | if ( parseInt(nodes, 10) ) {
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107 | // In order not to give false positives we create a node for each test
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108 | // This also allows the method to scale for unspecified uses
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109 | while ( nodes-- ) {
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110 | node = document.createElement('div');
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111 | node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
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112 | div.appendChild(node);
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113 | }
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114 | }
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115 |
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116 | // <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed
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117 | // when injected with innerHTML. To get around this you need to prepend the 'NoScope' element
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118 | // with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements.
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119 | // msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx
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120 | // Documents served as xml will throw if using ­ so use xml friendly encoded version. See issue #277
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121 | style = ['­','<style id="s', mod, '">', rule, '</style>'].join('');
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122 | div.id = mod;
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123 | // 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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124 | // Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270
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125 | (body ? div : fakeBody).innerHTML += style;
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126 | fakeBody.appendChild(div);
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127 | if ( !body ) {
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128 | //avoid crashing IE8, if background image is used
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129 | fakeBody.style.background = '';
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130 | //Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible
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131 | fakeBody.style.overflow = 'hidden';
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132 | docOverflow = docElement.style.overflow;
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133 | docElement.style.overflow = 'hidden';
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134 | docElement.appendChild(fakeBody);
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135 | }
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136 |
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137 | ret = callback(div, rule);
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138 | // If this is done after page load we don't want to remove the body so check if body exists
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139 | if ( !body ) {
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140 | fakeBody.parentNode.removeChild(fakeBody);
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141 | docElement.style.overflow = docOverflow;
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142 | } else {
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143 | div.parentNode.removeChild(div);
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144 | }
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145 |
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146 | return !!ret;
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147 |
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148 | },
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149 | /*>>teststyles*/
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150 |
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151 | /*>>mq*/
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152 | // adapted from matchMedia polyfill
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153 | // by Scott Jehl and Paul Irish
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154 | // gist.github.com/786768
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155 | testMediaQuery = function( mq ) {
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156 |
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157 | var matchMedia = window.matchMedia || window.msMatchMedia;
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158 | if ( matchMedia ) {
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159 | return matchMedia(mq) && matchMedia(mq).matches || false;
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160 | }
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161 |
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162 | var bool;
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163 |
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164 | injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) {
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165 | bool = (window.getComputedStyle ?
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166 | getComputedStyle(node, null) :
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167 | node.currentStyle)['position'] == 'absolute';
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168 | });
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169 |
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170 | return bool;
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171 |
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172 | },
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173 | /*>>mq*/
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174 |
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175 |
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176 | /*>>hasevent*/
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177 | //
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178 | // isEventSupported determines if a given element supports the given event
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179 | // kangax.github.com/iseventsupported/
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180 | //
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181 | // The following results are known incorrects:
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182 | // Modernizr.hasEvent("webkitTransitionEnd", elem) // false negative
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183 | // Modernizr.hasEvent("textInput") // in Webkit. github.com/Modernizr/Modernizr/issues/333
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184 | // ...
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185 | isEventSupported = (function() {
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186 |
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187 | var TAGNAMES = {
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188 | 'select': 'input', 'change': 'input',
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189 | 'submit': 'form', 'reset': 'form',
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190 | 'error': 'img', 'load': 'img', 'abort': 'img'
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191 | };
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192 |
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193 | function isEventSupported( eventName, element ) {
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194 |
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195 | element = element || document.createElement(TAGNAMES[eventName] || 'div');
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196 | eventName = 'on' + eventName;
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197 |
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198 | // When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those
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199 | var isSupported = eventName in element;
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200 |
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201 | if ( !isSupported ) {
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202 | // If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element
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203 | if ( !element.setAttribute ) {
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204 | element = document.createElement('div');
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205 | }
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206 | if ( element.setAttribute && element.removeAttribute ) {
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207 | element.setAttribute(eventName, '');
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208 | isSupported = is(element[eventName], 'function');
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209 |
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210 | // If property was created, "remove it" (by setting value to `undefined`)
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211 | if ( !is(element[eventName], 'undefined') ) {
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212 | element[eventName] = undefined;
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213 | }
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214 | element.removeAttribute(eventName);
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215 | }
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216 | }
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217 |
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218 | element = null;
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219 | return isSupported;
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220 | }
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221 | return isEventSupported;
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222 | })(),
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223 | /*>>hasevent*/
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224 |
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225 | // TODO :: Add flag for hasownprop ? didn't last time
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226 |
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227 | // hasOwnProperty shim by kangax needed for Safari 2.0 support
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228 | _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp;
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229 |
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230 | if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) {
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231 | hasOwnProp = function (object, property) {
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232 | return _hasOwnProperty.call(object, property);
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233 | };
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234 | }
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235 | else {
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236 | hasOwnProp = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */
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237 | return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
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238 | };
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239 | }
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240 |
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241 | // Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js
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242 | // es5.github.com/#x15.3.4.5
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243 |
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244 | if (!Function.prototype.bind) {
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245 | Function.prototype.bind = function bind(that) {
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246 |
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247 | var target = this;
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248 |
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249 | if (typeof target != "function") {
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250 | throw new TypeError();
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251 | }
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252 |
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253 | var args = slice.call(arguments, 1),
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254 | bound = function () {
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255 |
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256 | if (this instanceof bound) {
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257 |
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258 | var F = function(){};
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259 | F.prototype = target.prototype;
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260 | var self = new F();
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261 |
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262 | var result = target.apply(
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263 | self,
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264 | args.concat(slice.call(arguments))
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265 | );
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266 | if (Object(result) === result) {
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267 | return result;
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268 | }
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269 | return self;
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270 |
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271 | } else {
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272 |
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273 | return target.apply(
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274 | that,
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275 | args.concat(slice.call(arguments))
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276 | );
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277 |
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278 | }
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279 |
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280 | };
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281 |
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282 | return bound;
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283 | };
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284 | }
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285 |
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286 | /**
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287 | * setCss applies given styles to the Modernizr DOM node.
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288 | */
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289 | function setCss( str ) {
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290 | mStyle.cssText = str;
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291 | }
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292 |
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293 | /**
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294 | * setCssAll extrapolates all vendor-specific css strings.
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295 | */
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296 | function setCssAll( str1, str2 ) {
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297 | return setCss(prefixes.join(str1 + ';') + ( str2 || '' ));
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298 | }
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299 |
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300 | /**
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301 | * is returns a boolean for if typeof obj is exactly type.
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302 | */
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303 | function is( obj, type ) {
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304 | return typeof obj === type;
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305 | }
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306 |
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307 | /**
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308 | * contains returns a boolean for if substr is found within str.
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309 | */
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310 | function contains( str, substr ) {
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311 | return !!~('' + str).indexOf(substr);
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312 | }
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313 |
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314 | /*>>testprop*/
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315 |
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316 | // testProps is a generic CSS / DOM property test.
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317 |
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318 | // In testing support for a given CSS property, it's legit to test:
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319 | // `elem.style[styleName] !== undefined`
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320 | // If the property is supported it will return an empty string,
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321 | // if unsupported it will return undefined.
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322 |
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323 | // We'll take advantage of this quick test and skip setting a style
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324 | // on our modernizr element, but instead just testing undefined vs
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325 | // empty string.
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326 |
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327 | // Because the testing of the CSS property names (with "-", as
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328 | // opposed to the camelCase DOM properties) is non-portable and
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329 | // non-standard but works in WebKit and IE (but not Gecko or Opera),
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330 | // we explicitly reject properties with dashes so that authors
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331 | // developing in WebKit or IE first don't end up with
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332 | // browser-specific content by accident.
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333 |
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334 | function testProps( props, prefixed ) {
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335 | for ( var i in props ) {
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336 | var prop = props[i];
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337 | if ( !contains(prop, "-") && mStyle[prop] !== undefined ) {
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338 | return prefixed == 'pfx' ? prop : true;
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339 | }
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340 | }
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341 | return false;
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342 | }
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343 | /*>>testprop*/
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344 |
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345 | // TODO :: add testDOMProps
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346 | /**
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347 | * testDOMProps is a generic DOM property test; if a browser supports
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348 | * a certain property, it won't return undefined for it.
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349 | */
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350 | function testDOMProps( props, obj, elem ) {
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351 | for ( var i in props ) {
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352 | var item = obj[props[i]];
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353 | if ( item !== undefined) {
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354 |
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355 | // return the property name as a string
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356 | if (elem === false) return props[i];
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357 |
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358 | // let's bind a function
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359 | if (is(item, 'function')){
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360 | // default to autobind unless override
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361 | return item.bind(elem || obj);
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362 | }
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363 |
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364 | // return the unbound function or obj or value
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365 | return item;
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366 | }
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367 | }
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368 | return false;
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369 | }
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370 |
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371 | /*>>testallprops*/
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372 | /**
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373 | * testPropsAll tests a list of DOM properties we want to check against.
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374 | * We specify literally ALL possible (known and/or likely) properties on
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375 | * the element including the non-vendor prefixed one, for forward-
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376 | * compatibility.
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377 | */
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378 | function testPropsAll( prop, prefixed, elem ) {
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379 |
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380 | var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1),
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381 | props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');
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382 |
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383 | // did they call .prefixed('boxSizing') or are we just testing a prop?
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384 | if(is(prefixed, "string") || is(prefixed, "undefined")) {
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385 | return testProps(props, prefixed);
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386 |
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387 | // otherwise, they called .prefixed('requestAnimationFrame', window[, elem])
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388 | } else {
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389 | props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
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390 | return testDOMProps(props, prefixed, elem);
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391 | }
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392 | }
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393 | /*>>testallprops*/
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394 |
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395 |
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396 | /**
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397 | * Tests
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398 | * -----
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399 | */
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400 |
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401 | // The *new* flexbox
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402 | // dev.w3.org/csswg/css3-flexbox
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403 |
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404 | tests['flexbox'] = function() {
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405 | return testPropsAll('flexWrap');
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406 | };
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407 |
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408 | // The *old* flexbox
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409 | // www.w3.org/TR/2009/WD-css3-flexbox-20090723/
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410 |
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411 | tests['flexboxlegacy'] = function() {
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412 | return testPropsAll('boxDirection');
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413 | };
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414 |
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415 | // On the S60 and BB Storm, getContext exists, but always returns undefined
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416 | // so we actually have to call getContext() to verify
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417 | // github.com/Modernizr/Modernizr/issues/issue/97/
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418 |
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419 | tests['canvas'] = function() {
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420 | var elem = document.createElement('canvas');
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421 | return !!(elem.getContext && elem.getContext('2d'));
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422 | };
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423 |
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424 | tests['canvastext'] = function() {
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425 | return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function'));
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426 | };
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427 |
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428 | // webk.it/70117 is tracking a legit WebGL feature detect proposal
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429 |
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430 | // We do a soft detect which may false positive in order to avoid
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431 | // an expensive context creation: bugzil.la/732441
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432 |
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433 | tests['webgl'] = function() {
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434 | return !!window.WebGLRenderingContext;
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435 | };
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436 |
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437 | /*
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438 | * The Modernizr.touch test only indicates if the browser supports
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439 | * touch events, which does not necessarily reflect a touchscreen
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440 | * device, as evidenced by tablets running Windows 7 or, alas,
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441 | * the Palm Pre / WebOS (touch) phones.
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442 | *
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443 | * Additionally, Chrome (desktop) used to lie about its support on this,
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444 | * but that has since been rectified: crbug.com/36415
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445 | *
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446 | * We also test for Firefox 4 Multitouch Support.
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447 | *
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448 | * For more info, see: modernizr.github.com/Modernizr/touch.html
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449 | */
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450 |
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451 | tests['touch'] = function() {
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452 | var bool;
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453 |
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454 | if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) {
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455 | bool = true;
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456 | } else {
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457 | injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) {
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458 | bool = node.offsetTop === 9;
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459 | });
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460 | }
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461 |
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462 | return bool;
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463 | };
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464 |
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465 |
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466 | // geolocation is often considered a trivial feature detect...
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467 | // Turns out, it's quite tricky to get right:
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468 | //
|
---|
469 | // Using !!navigator.geolocation does two things we don't want. It:
|
---|
470 | // 1. Leaks memory in IE9: github.com/Modernizr/Modernizr/issues/513
|
---|
471 | // 2. Disables page caching in WebKit: webk.it/43956
|
---|
472 | //
|
---|
473 | // Meanwhile, in Firefox < 8, an about:config setting could expose
|
---|
474 | // a false positive that would throw an exception: bugzil.la/688158
|
---|
475 |
|
---|
476 | tests['geolocation'] = function() {
|
---|
477 | return 'geolocation' in navigator;
|
---|
478 | };
|
---|
479 |
|
---|
480 |
|
---|
481 | tests['postmessage'] = function() {
|
---|
482 | return !!window.postMessage;
|
---|
483 | };
|
---|
484 |
|
---|
485 |
|
---|
486 | // Chrome incognito mode used to throw an exception when using openDatabase
|
---|
487 | // It doesn't anymore.
|
---|
488 | tests['websqldatabase'] = function() {
|
---|
489 | return !!window.openDatabase;
|
---|
490 | };
|
---|
491 |
|
---|
492 | // Vendors had inconsistent prefixing with the experimental Indexed DB:
|
---|
493 | // - Webkit's implementation is accessible through webkitIndexedDB
|
---|
494 | // - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB
|
---|
495 | // For speed, we don't test the legacy (and beta-only) indexedDB
|
---|
496 | tests['indexedDB'] = function() {
|
---|
497 | return !!testPropsAll("indexedDB", window);
|
---|
498 | };
|
---|
499 |
|
---|
500 | // documentMode logic from YUI to filter out IE8 Compat Mode
|
---|
501 | // which false positives.
|
---|
502 | tests['hashchange'] = function() {
|
---|
503 | return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7);
|
---|
504 | };
|
---|
505 |
|
---|
506 | // Per 1.6:
|
---|
507 | // This used to be Modernizr.historymanagement but the longer
|
---|
508 | // name has been deprecated in favor of a shorter and property-matching one.
|
---|
509 | // The old API is still available in 1.6, but as of 2.0 will throw a warning,
|
---|
510 | // and in the first release thereafter disappear entirely.
|
---|
511 | tests['history'] = function() {
|
---|
512 | return !!(window.history && history.pushState);
|
---|
513 | };
|
---|
514 |
|
---|
515 | tests['draganddrop'] = function() {
|
---|
516 | var div = document.createElement('div');
|
---|
517 | return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div);
|
---|
518 | };
|
---|
519 |
|
---|
520 | // FF3.6 was EOL'ed on 4/24/12, but the ESR version of FF10
|
---|
521 | // will be supported until FF19 (2/12/13), at which time, ESR becomes FF17.
|
---|
522 | // FF10 still uses prefixes, so check for it until then.
|
---|
523 | // for more ESR info, see: mozilla.org/en-US/firefox/organizations/faq/
|
---|
524 | tests['websockets'] = function() {
|
---|
525 | return 'WebSocket' in window || 'MozWebSocket' in window;
|
---|
526 | };
|
---|
527 |
|
---|
528 |
|
---|
529 | // css-tricks.com/rgba-browser-support/
|
---|
530 | tests['rgba'] = function() {
|
---|
531 | // Set an rgba() color and check the returned value
|
---|
532 |
|
---|
533 | setCss('background-color:rgba(150,255,150,.5)');
|
---|
534 |
|
---|
535 | return contains(mStyle.backgroundColor, 'rgba');
|
---|
536 | };
|
---|
537 |
|
---|
538 | tests['hsla'] = function() {
|
---|
539 | // Same as rgba(), in fact, browsers re-map hsla() to rgba() internally,
|
---|
540 | // except IE9 who retains it as hsla
|
---|
541 |
|
---|
542 | setCss('background-color:hsla(120,40%,100%,.5)');
|
---|
543 |
|
---|
544 | return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla');
|
---|
545 | };
|
---|
546 |
|
---|
547 | tests['multiplebgs'] = function() {
|
---|
548 | // Setting multiple images AND a color on the background shorthand property
|
---|
549 | // and then querying the style.background property value for the number of
|
---|
550 | // occurrences of "url(" is a reliable method for detecting ACTUAL support for this!
|
---|
551 |
|
---|
552 | setCss('background:url(https://),url(https://),red url(https://)');
|
---|
553 |
|
---|
554 | // If the UA supports multiple backgrounds, there should be three occurrences
|
---|
555 | // of the string "url(" in the return value for elemStyle.background
|
---|
556 |
|
---|
557 | return (/(url\s*\(.*?){3}/).test(mStyle.background);
|
---|
558 | };
|
---|
559 |
|
---|
560 |
|
---|
561 |
|
---|
562 | // this will false positive in Opera Mini
|
---|
563 | // github.com/Modernizr/Modernizr/issues/396
|
---|
564 |
|
---|
565 | tests['backgroundsize'] = function() {
|
---|
566 | return testPropsAll('backgroundSize');
|
---|
567 | };
|
---|
568 |
|
---|
569 | tests['borderimage'] = function() {
|
---|
570 | return testPropsAll('borderImage');
|
---|
571 | };
|
---|
572 |
|
---|
573 |
|
---|
574 | // Super comprehensive table about all the unique implementations of
|
---|
575 | // border-radius: muddledramblings.com/table-of-css3-border-radius-compliance
|
---|
576 |
|
---|
577 | tests['borderradius'] = function() {
|
---|
578 | return testPropsAll('borderRadius');
|
---|
579 | };
|
---|
580 |
|
---|
581 | // WebOS unfortunately false positives on this test.
|
---|
582 | tests['boxshadow'] = function() {
|
---|
583 | return testPropsAll('boxShadow');
|
---|
584 | };
|
---|
585 |
|
---|
586 | // FF3.0 will false positive on this test
|
---|
587 | tests['textshadow'] = function() {
|
---|
588 | return document.createElement('div').style.textShadow === '';
|
---|
589 | };
|
---|
590 |
|
---|
591 |
|
---|
592 | tests['opacity'] = function() {
|
---|
593 | // Browsers that actually have CSS Opacity implemented have done so
|
---|
594 | // according to spec, which means their return values are within the
|
---|
595 | // range of [0.0,1.0] - including the leading zero.
|
---|
596 |
|
---|
597 | setCssAll('opacity:.55');
|
---|
598 |
|
---|
599 | // The non-literal . in this regex is intentional:
|
---|
600 | // German Chrome returns this value as 0,55
|
---|
601 | // github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632
|
---|
602 | return (/^0.55$/).test(mStyle.opacity);
|
---|
603 | };
|
---|
604 |
|
---|
605 |
|
---|
606 | // Note, Android < 4 will pass this test, but can only animate
|
---|
607 | // a single property at a time
|
---|
608 | // goo.gl/v3V4Gp
|
---|
609 | tests['cssanimations'] = function() {
|
---|
610 | return testPropsAll('animationName');
|
---|
611 | };
|
---|
612 |
|
---|
613 |
|
---|
614 | tests['csscolumns'] = function() {
|
---|
615 | return testPropsAll('columnCount');
|
---|
616 | };
|
---|
617 |
|
---|
618 |
|
---|
619 | tests['cssgradients'] = function() {
|
---|
620 | /**
|
---|
621 | * For CSS Gradients syntax, please see:
|
---|
622 | * webkit.org/blog/175/introducing-css-gradients/
|
---|
623 | * developer.mozilla.org/en/CSS/-moz-linear-gradient
|
---|
624 | * developer.mozilla.org/en/CSS/-moz-radial-gradient
|
---|
625 | * dev.w3.org/csswg/css3-images/#gradients-
|
---|
626 | */
|
---|
627 |
|
---|
628 | var str1 = 'background-image:',
|
---|
629 | str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));',
|
---|
630 | str3 = 'linear-gradient(left top,#9f9, white);';
|
---|
631 |
|
---|
632 | setCss(
|
---|
633 | // legacy webkit syntax (FIXME: remove when syntax not in use anymore)
|
---|
634 | (str1 + '-webkit- '.split(' ').join(str2 + str1) +
|
---|
635 | // standard syntax // trailing 'background-image:'
|
---|
636 | prefixes.join(str3 + str1)).slice(0, -str1.length)
|
---|
637 | );
|
---|
638 |
|
---|
639 | return contains(mStyle.backgroundImage, 'gradient');
|
---|
640 | };
|
---|
641 |
|
---|
642 |
|
---|
643 | tests['cssreflections'] = function() {
|
---|
644 | return testPropsAll('boxReflect');
|
---|
645 | };
|
---|
646 |
|
---|
647 |
|
---|
648 | tests['csstransforms'] = function() {
|
---|
649 | return !!testPropsAll('transform');
|
---|
650 | };
|
---|
651 |
|
---|
652 |
|
---|
653 | tests['csstransforms3d'] = function() {
|
---|
654 |
|
---|
655 | var ret = !!testPropsAll('perspective');
|
---|
656 |
|
---|
657 | // Webkit's 3D transforms are passed off to the browser's own graphics renderer.
|
---|
658 | // It works fine in Safari on Leopard and Snow Leopard, but not in Chrome in
|
---|
659 | // some conditions. As a result, Webkit typically recognizes the syntax but
|
---|
660 | // will sometimes throw a false positive, thus we must do a more thorough check:
|
---|
661 | if ( ret && 'webkitPerspective' in docElement.style ) {
|
---|
662 |
|
---|
663 | // Webkit allows this media query to succeed only if the feature is enabled.
|
---|
664 | // `@media (transform-3d),(-webkit-transform-3d){ ... }`
|
---|
665 | injectElementWithStyles('@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}', function( node, rule ) {
|
---|
666 | ret = node.offsetLeft === 9 && node.offsetHeight === 3;
|
---|
667 | });
|
---|
668 | }
|
---|
669 | return ret;
|
---|
670 | };
|
---|
671 |
|
---|
672 |
|
---|
673 | tests['csstransitions'] = function() {
|
---|
674 | return testPropsAll('transition');
|
---|
675 | };
|
---|
676 |
|
---|
677 |
|
---|
678 | /*>>fontface*/
|
---|
679 | // @font-face detection routine by Diego Perini
|
---|
680 | // javascript.nwbox.com/CSSSupport/
|
---|
681 |
|
---|
682 | // false positives:
|
---|
683 | // WebOS github.com/Modernizr/Modernizr/issues/342
|
---|
684 | // WP7 github.com/Modernizr/Modernizr/issues/538
|
---|
685 | tests['fontface'] = function() {
|
---|
686 | var bool;
|
---|
687 |
|
---|
688 | injectElementWithStyles('@font-face {font-family:"font";src:url("https://")}', function( node, rule ) {
|
---|
689 | var style = document.getElementById('smodernizr'),
|
---|
690 | sheet = style.sheet || style.styleSheet,
|
---|
691 | cssText = sheet ? (sheet.cssRules && sheet.cssRules[0] ? sheet.cssRules[0].cssText : sheet.cssText || '') : '';
|
---|
692 |
|
---|
693 | bool = /src/i.test(cssText) && cssText.indexOf(rule.split(' ')[0]) === 0;
|
---|
694 | });
|
---|
695 |
|
---|
696 | return bool;
|
---|
697 | };
|
---|
698 | /*>>fontface*/
|
---|
699 |
|
---|
700 | // CSS generated content detection
|
---|
701 | tests['generatedcontent'] = function() {
|
---|
702 | var bool;
|
---|
703 |
|
---|
704 | injectElementWithStyles(['#',mod,'{font:0/0 a}#',mod,':after{content:"',smile,'";visibility:hidden;font:3px/1 a}'].join(''), function( node ) {
|
---|
705 | bool = node.offsetHeight >= 3;
|
---|
706 | });
|
---|
707 |
|
---|
708 | return bool;
|
---|
709 | };
|
---|
710 |
|
---|
711 |
|
---|
712 |
|
---|
713 | // These tests evaluate support of the video/audio elements, as well as
|
---|
714 | // testing what types of content they support.
|
---|
715 | //
|
---|
716 | // We're using the Boolean constructor here, so that we can extend the value
|
---|
717 | // e.g. Modernizr.video // true
|
---|
718 | // Modernizr.video.ogg // 'probably'
|
---|
719 | //
|
---|
720 | // Codec values from : github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845
|
---|
721 | // thx to NielsLeenheer and zcorpan
|
---|
722 |
|
---|
723 | // Note: in some older browsers, "no" was a return value instead of empty string.
|
---|
724 | // It was live in FF3.5.0 and 3.5.1, but fixed in 3.5.2
|
---|
725 | // It was also live in Safari 4.0.0 - 4.0.4, but fixed in 4.0.5
|
---|
726 |
|
---|
727 | tests['video'] = function() {
|
---|
728 | var elem = document.createElement('video'),
|
---|
729 | bool = false;
|
---|
730 |
|
---|
731 | // IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224
|
---|
732 | try {
|
---|
733 | if ( bool = !!elem.canPlayType ) {
|
---|
734 | bool = new Boolean(bool);
|
---|
735 | bool.ogg = elem.canPlayType('video/ogg; codecs="theora"') .replace(/^no$/,'');
|
---|
736 |
|
---|
737 | // Without QuickTime, this value will be `undefined`. github.com/Modernizr/Modernizr/issues/546
|
---|
738 | bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,'');
|
---|
739 |
|
---|
740 | bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,'');
|
---|
741 | }
|
---|
742 |
|
---|
743 | } catch(e) { }
|
---|
744 |
|
---|
745 | return bool;
|
---|
746 | };
|
---|
747 |
|
---|
748 | tests['audio'] = function() {
|
---|
749 | var elem = document.createElement('audio'),
|
---|
750 | bool = false;
|
---|
751 |
|
---|
752 | try {
|
---|
753 | if ( bool = !!elem.canPlayType ) {
|
---|
754 | bool = new Boolean(bool);
|
---|
755 | bool.ogg = elem.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,'');
|
---|
756 | bool.mp3 = elem.canPlayType('audio/mpeg;') .replace(/^no$/,'');
|
---|
757 |
|
---|
758 | // Mimetypes accepted:
|
---|
759 | // developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements
|
---|
760 | // bit.ly/iphoneoscodecs
|
---|
761 | bool.wav = elem.canPlayType('audio/wav; codecs="1"') .replace(/^no$/,'');
|
---|
762 | bool.m4a = ( elem.canPlayType('audio/x-m4a;') ||
|
---|
763 | elem.canPlayType('audio/aac;')) .replace(/^no$/,'');
|
---|
764 | }
|
---|
765 | } catch(e) { }
|
---|
766 |
|
---|
767 | return bool;
|
---|
768 | };
|
---|
769 |
|
---|
770 |
|
---|
771 | // In FF4, if disabled, window.localStorage should === null.
|
---|
772 |
|
---|
773 | // Normally, we could not test that directly and need to do a
|
---|
774 | // `('localStorage' in window) && ` test first because otherwise Firefox will
|
---|
775 | // throw bugzil.la/365772 if cookies are disabled
|
---|
776 |
|
---|
777 | // Also in iOS5 Private Browsing mode, attempting to use localStorage.setItem
|
---|
778 | // will throw the exception:
|
---|
779 | // QUOTA_EXCEEDED_ERRROR DOM Exception 22.
|
---|
780 | // Peculiarly, getItem and removeItem calls do not throw.
|
---|
781 |
|
---|
782 | // Because we are forced to try/catch this, we'll go aggressive.
|
---|
783 |
|
---|
784 | // Just FWIW: IE8 Compat mode supports these features completely:
|
---|
785 | // www.quirksmode.org/dom/html5.html
|
---|
786 | // But IE8 doesn't support either with local files
|
---|
787 |
|
---|
788 | tests['localstorage'] = function() {
|
---|
789 | try {
|
---|
790 | localStorage.setItem(mod, mod);
|
---|
791 | localStorage.removeItem(mod);
|
---|
792 | return true;
|
---|
793 | } catch(e) {
|
---|
794 | return false;
|
---|
795 | }
|
---|
796 | };
|
---|
797 |
|
---|
798 | tests['sessionstorage'] = function() {
|
---|
799 | try {
|
---|
800 | sessionStorage.setItem(mod, mod);
|
---|
801 | sessionStorage.removeItem(mod);
|
---|
802 | return true;
|
---|
803 | } catch(e) {
|
---|
804 | return false;
|
---|
805 | }
|
---|
806 | };
|
---|
807 |
|
---|
808 |
|
---|
809 | tests['webworkers'] = function() {
|
---|
810 | return !!window.Worker;
|
---|
811 | };
|
---|
812 |
|
---|
813 |
|
---|
814 | tests['applicationcache'] = function() {
|
---|
815 | return !!window.applicationCache;
|
---|
816 | };
|
---|
817 |
|
---|
818 |
|
---|
819 | // Thanks to Erik Dahlstrom
|
---|
820 | tests['svg'] = function() {
|
---|
821 | return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect;
|
---|
822 | };
|
---|
823 |
|
---|
824 | // specifically for SVG inline in HTML, not within XHTML
|
---|
825 | // test page: paulirish.com/demo/inline-svg
|
---|
826 | tests['inlinesvg'] = function() {
|
---|
827 | var div = document.createElement('div');
|
---|
828 | div.innerHTML = '<svg/>';
|
---|
829 | return (div.firstChild && div.firstChild.namespaceURI) == ns.svg;
|
---|
830 | };
|
---|
831 |
|
---|
832 | // SVG SMIL animation
|
---|
833 | tests['smil'] = function() {
|
---|
834 | return !!document.createElementNS && /SVGAnimate/.test(toString.call(document.createElementNS(ns.svg, 'animate')));
|
---|
835 | };
|
---|
836 |
|
---|
837 | // This test is only for clip paths in SVG proper, not clip paths on HTML content
|
---|
838 | // demo: srufaculty.sru.edu/david.dailey/svg/newstuff/clipPath4.svg
|
---|
839 |
|
---|
840 | // However read the comments to dig into applying SVG clippaths to HTML content here:
|
---|
841 | // github.com/Modernizr/Modernizr/issues/213#issuecomment-1149491
|
---|
842 | tests['svgclippaths'] = function() {
|
---|
843 | return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath')));
|
---|
844 | };
|
---|
845 |
|
---|
846 | /*>>webforms*/
|
---|
847 | // input features and input types go directly onto the ret object, bypassing the tests loop.
|
---|
848 | // Hold this guy to execute in a moment.
|
---|
849 | function webforms() {
|
---|
850 | /*>>input*/
|
---|
851 | // Run through HTML5's new input attributes to see if the UA understands any.
|
---|
852 | // We're using f which is the <input> element created early on
|
---|
853 | // Mike Taylr has created a comprehensive resource for testing these attributes
|
---|
854 | // when applied to all input types:
|
---|
855 | // miketaylr.com/code/input-type-attr.html
|
---|
856 | // spec: www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary
|
---|
857 |
|
---|
858 | // Only input placeholder is tested while textarea's placeholder is not.
|
---|
859 | // Currently Safari 4 and Opera 11 have support only for the input placeholder
|
---|
860 | // Both tests are available in feature-detects/forms-placeholder.js
|
---|
861 | Modernizr['input'] = (function( props ) {
|
---|
862 | for ( var i = 0, len = props.length; i < len; i++ ) {
|
---|
863 | attrs[ props[i] ] = !!(props[i] in inputElem);
|
---|
864 | }
|
---|
865 | if (attrs.list){
|
---|
866 | // safari false positive's on datalist: webk.it/74252
|
---|
867 | // see also github.com/Modernizr/Modernizr/issues/146
|
---|
868 | attrs.list = !!(document.createElement('datalist') && window.HTMLDataListElement);
|
---|
869 | }
|
---|
870 | return attrs;
|
---|
871 | })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' '));
|
---|
872 | /*>>input*/
|
---|
873 |
|
---|
874 | /*>>inputtypes*/
|
---|
875 | // Run through HTML5's new input types to see if the UA understands any.
|
---|
876 | // This is put behind the tests runloop because it doesn't return a
|
---|
877 | // true/false like all the other tests; instead, it returns an object
|
---|
878 | // containing each input type with its corresponding true/false value
|
---|
879 |
|
---|
880 | // Big thanks to @miketaylr for the html5 forms expertise. miketaylr.com/
|
---|
881 | Modernizr['inputtypes'] = (function(props) {
|
---|
882 |
|
---|
883 | for ( var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++ ) {
|
---|
884 |
|
---|
885 | inputElem.setAttribute('type', inputElemType = props[i]);
|
---|
886 | bool = inputElem.type !== 'text';
|
---|
887 |
|
---|
888 | // We first check to see if the type we give it sticks..
|
---|
889 | // If the type does, we feed it a textual value, which shouldn't be valid.
|
---|
890 | // If the value doesn't stick, we know there's input sanitization which infers a custom UI
|
---|
891 | if ( bool ) {
|
---|
892 |
|
---|
893 | inputElem.value = smile;
|
---|
894 | inputElem.style.cssText = 'position:absolute;visibility:hidden;';
|
---|
895 |
|
---|
896 | if ( /^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined ) {
|
---|
897 |
|
---|
898 | docElement.appendChild(inputElem);
|
---|
899 | defaultView = document.defaultView;
|
---|
900 |
|
---|
901 | // Safari 2-4 allows the smiley as a value, despite making a slider
|
---|
902 | bool = defaultView.getComputedStyle &&
|
---|
903 | defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' &&
|
---|
904 | // Mobile android web browser has false positive, so must
|
---|
905 | // check the height to see if the widget is actually there.
|
---|
906 | (inputElem.offsetHeight !== 0);
|
---|
907 |
|
---|
908 | docElement.removeChild(inputElem);
|
---|
909 |
|
---|
910 | } else if ( /^(search|tel)$/.test(inputElemType) ){
|
---|
911 | // Spec doesn't define any special parsing or detectable UI
|
---|
912 | // behaviors so we pass these through as true
|
---|
913 |
|
---|
914 | // Interestingly, opera fails the earlier test, so it doesn't
|
---|
915 | // even make it here.
|
---|
916 |
|
---|
917 | } else if ( /^(url|email)$/.test(inputElemType) ) {
|
---|
918 | // Real url and email support comes with prebaked validation.
|
---|
919 | bool = inputElem.checkValidity && inputElem.checkValidity() === false;
|
---|
920 |
|
---|
921 | } else {
|
---|
922 | // If the upgraded input compontent rejects the :) text, we got a winner
|
---|
923 | bool = inputElem.value != smile;
|
---|
924 | }
|
---|
925 | }
|
---|
926 |
|
---|
927 | inputs[ props[i] ] = !!bool;
|
---|
928 | }
|
---|
929 | return inputs;
|
---|
930 | })('search tel url email datetime date month week time datetime-local number range color'.split(' '));
|
---|
931 | /*>>inputtypes*/
|
---|
932 | }
|
---|
933 | /*>>webforms*/
|
---|
934 |
|
---|
935 |
|
---|
936 | // End of test definitions
|
---|
937 | // -----------------------
|
---|
938 |
|
---|
939 |
|
---|
940 |
|
---|
941 | // Run through all tests and detect their support in the current UA.
|
---|
942 | // todo: hypothetically we could be doing an array of tests and use a basic loop here.
|
---|
943 | for ( var feature in tests ) {
|
---|
944 | if ( hasOwnProp(tests, feature) ) {
|
---|
945 | // run the test, throw the return value into the Modernizr,
|
---|
946 | // then based on that boolean, define an appropriate className
|
---|
947 | // and push it into an array of classes we'll join later.
|
---|
948 | featureName = feature.toLowerCase();
|
---|
949 | Modernizr[featureName] = tests[feature]();
|
---|
950 |
|
---|
951 | classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
|
---|
952 | }
|
---|
953 | }
|
---|
954 |
|
---|
955 | /*>>webforms*/
|
---|
956 | // input tests need to run.
|
---|
957 | Modernizr.input || webforms();
|
---|
958 | /*>>webforms*/
|
---|
959 |
|
---|
960 |
|
---|
961 | /**
|
---|
962 | * addTest allows the user to define their own feature tests
|
---|
963 | * the result will be added onto the Modernizr object,
|
---|
964 | * as well as an appropriate className set on the html element
|
---|
965 | *
|
---|
966 | * @param feature - String naming the feature
|
---|
967 | * @param test - Function returning true if feature is supported, false if not
|
---|
968 | */
|
---|
969 | Modernizr.addTest = function ( feature, test ) {
|
---|
970 | if ( typeof feature == 'object' ) {
|
---|
971 | for ( var key in feature ) {
|
---|
972 | if ( hasOwnProp( feature, key ) ) {
|
---|
973 | Modernizr.addTest( key, feature[ key ] );
|
---|
974 | }
|
---|
975 | }
|
---|
976 | } else {
|
---|
977 |
|
---|
978 | feature = feature.toLowerCase();
|
---|
979 |
|
---|
980 | if ( Modernizr[feature] !== undefined ) {
|
---|
981 | // we're going to quit if you're trying to overwrite an existing test
|
---|
982 | // if we were to allow it, we'd do this:
|
---|
983 | // var re = new RegExp("\\b(no-)?" + feature + "\\b");
|
---|
984 | // docElement.className = docElement.className.replace( re, '' );
|
---|
985 | // but, no rly, stuff 'em.
|
---|
986 | return Modernizr;
|
---|
987 | }
|
---|
988 |
|
---|
989 | test = typeof test == 'function' ? test() : test;
|
---|
990 |
|
---|
991 | if (typeof enableClasses !== "undefined" && enableClasses) {
|
---|
992 | docElement.className += ' ' + (test ? '' : 'no-') + feature;
|
---|
993 | }
|
---|
994 | Modernizr[feature] = test;
|
---|
995 |
|
---|
996 | }
|
---|
997 |
|
---|
998 | return Modernizr; // allow chaining.
|
---|
999 | };
|
---|
1000 |
|
---|
1001 |
|
---|
1002 | // Reset modElem.cssText to nothing to reduce memory footprint.
|
---|
1003 | setCss('');
|
---|
1004 | modElem = inputElem = null;
|
---|
1005 |
|
---|
1006 | /*>>shiv*/
|
---|
1007 | /**
|
---|
1008 | * @preserve HTML5 Shiv prev3.7.1 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
|
---|
1009 | */
|
---|
1010 | ;(function(window, document) {
|
---|
1011 | /*jshint evil:true */
|
---|
1012 | /** version */
|
---|
1013 | var version = '3.7.0';
|
---|
1014 |
|
---|
1015 | /** Preset options */
|
---|
1016 | var options = window.html5 || {};
|
---|
1017 |
|
---|
1018 | /** Used to skip problem elements */
|
---|
1019 | var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
|
---|
1020 |
|
---|
1021 | /** Not all elements can be cloned in IE **/
|
---|
1022 | var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
|
---|
1023 |
|
---|
1024 | /** Detect whether the browser supports default html5 styles */
|
---|
1025 | var supportsHtml5Styles;
|
---|
1026 |
|
---|
1027 | /** Name of the expando, to work with multiple documents or to re-shiv one document */
|
---|
1028 | var expando = '_html5shiv';
|
---|
1029 |
|
---|
1030 | /** The id for the the documents expando */
|
---|
1031 | var expanID = 0;
|
---|
1032 |
|
---|
1033 | /** Cached data for each document */
|
---|
1034 | var expandoData = {};
|
---|
1035 |
|
---|
1036 | /** Detect whether the browser supports unknown elements */
|
---|
1037 | var supportsUnknownElements;
|
---|
1038 |
|
---|
1039 | (function() {
|
---|
1040 | try {
|
---|
1041 | var a = document.createElement('a');
|
---|
1042 | a.innerHTML = '<xyz></xyz>';
|
---|
1043 | //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
|
---|
1044 | supportsHtml5Styles = ('hidden' in a);
|
---|
1045 |
|
---|
1046 | supportsUnknownElements = a.childNodes.length == 1 || (function() {
|
---|
1047 | // assign a false positive if unable to shiv
|
---|
1048 | (document.createElement)('a');
|
---|
1049 | var frag = document.createDocumentFragment();
|
---|
1050 | return (
|
---|
1051 | typeof frag.cloneNode == 'undefined' ||
|
---|
1052 | typeof frag.createDocumentFragment == 'undefined' ||
|
---|
1053 | typeof frag.createElement == 'undefined'
|
---|
1054 | );
|
---|
1055 | }());
|
---|
1056 | } catch(e) {
|
---|
1057 | // assign a false positive if detection fails => unable to shiv
|
---|
1058 | supportsHtml5Styles = true;
|
---|
1059 | supportsUnknownElements = true;
|
---|
1060 | }
|
---|
1061 |
|
---|
1062 | }());
|
---|
1063 |
|
---|
1064 | /*--------------------------------------------------------------------------*/
|
---|
1065 |
|
---|
1066 | /**
|
---|
1067 | * Creates a style sheet with the given CSS text and adds it to the document.
|
---|
1068 | * @private
|
---|
1069 | * @param {Document} ownerDocument The document.
|
---|
1070 | * @param {String} cssText The CSS text.
|
---|
1071 | * @returns {StyleSheet} The style element.
|
---|
1072 | */
|
---|
1073 | function addStyleSheet(ownerDocument, cssText) {
|
---|
1074 | var p = ownerDocument.createElement('p'),
|
---|
1075 | parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
|
---|
1076 |
|
---|
1077 | p.innerHTML = 'x<style>' + cssText + '</style>';
|
---|
1078 | return parent.insertBefore(p.lastChild, parent.firstChild);
|
---|
1079 | }
|
---|
1080 |
|
---|
1081 | /**
|
---|
1082 | * Returns the value of `html5.elements` as an array.
|
---|
1083 | * @private
|
---|
1084 | * @returns {Array} An array of shived element node names.
|
---|
1085 | */
|
---|
1086 | function getElements() {
|
---|
1087 | var elements = html5.elements;
|
---|
1088 | return typeof elements == 'string' ? elements.split(' ') : elements;
|
---|
1089 | }
|
---|
1090 |
|
---|
1091 | /**
|
---|
1092 | * Returns the data associated to the given document
|
---|
1093 | * @private
|
---|
1094 | * @param {Document} ownerDocument The document.
|
---|
1095 | * @returns {Object} An object of data.
|
---|
1096 | */
|
---|
1097 | function getExpandoData(ownerDocument) {
|
---|
1098 | var data = expandoData[ownerDocument[expando]];
|
---|
1099 | if (!data) {
|
---|
1100 | data = {};
|
---|
1101 | expanID++;
|
---|
1102 | ownerDocument[expando] = expanID;
|
---|
1103 | expandoData[expanID] = data;
|
---|
1104 | }
|
---|
1105 | return data;
|
---|
1106 | }
|
---|
1107 |
|
---|
1108 | /**
|
---|
1109 | * returns a shived element for the given nodeName and document
|
---|
1110 | * @memberOf html5
|
---|
1111 | * @param {String} nodeName name of the element
|
---|
1112 | * @param {Document} ownerDocument The context document.
|
---|
1113 | * @returns {Object} The shived element.
|
---|
1114 | */
|
---|
1115 | function createElement(nodeName, ownerDocument, data){
|
---|
1116 | if (!ownerDocument) {
|
---|
1117 | ownerDocument = document;
|
---|
1118 | }
|
---|
1119 | if(supportsUnknownElements){
|
---|
1120 | return ownerDocument.createElement(nodeName);
|
---|
1121 | }
|
---|
1122 | if (!data) {
|
---|
1123 | data = getExpandoData(ownerDocument);
|
---|
1124 | }
|
---|
1125 | var node;
|
---|
1126 |
|
---|
1127 | if (data.cache[nodeName]) {
|
---|
1128 | node = data.cache[nodeName].cloneNode();
|
---|
1129 | } else if (saveClones.test(nodeName)) {
|
---|
1130 | node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
|
---|
1131 | } else {
|
---|
1132 | node = data.createElem(nodeName);
|
---|
1133 | }
|
---|
1134 |
|
---|
1135 | // Avoid adding some elements to fragments in IE < 9 because
|
---|
1136 | // * Attributes like `name` or `type` cannot be set/changed once an element
|
---|
1137 | // is inserted into a document/fragment
|
---|
1138 | // * Link elements with `src` attributes that are inaccessible, as with
|
---|
1139 | // a 403 response, will cause the tab/window to crash
|
---|
1140 | // * Script elements appended to fragments will execute when their `src`
|
---|
1141 | // or `text` property is set
|
---|
1142 | return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
|
---|
1143 | }
|
---|
1144 |
|
---|
1145 | /**
|
---|
1146 | * returns a shived DocumentFragment for the given document
|
---|
1147 | * @memberOf html5
|
---|
1148 | * @param {Document} ownerDocument The context document.
|
---|
1149 | * @returns {Object} The shived DocumentFragment.
|
---|
1150 | */
|
---|
1151 | function createDocumentFragment(ownerDocument, data){
|
---|
1152 | if (!ownerDocument) {
|
---|
1153 | ownerDocument = document;
|
---|
1154 | }
|
---|
1155 | if(supportsUnknownElements){
|
---|
1156 | return ownerDocument.createDocumentFragment();
|
---|
1157 | }
|
---|
1158 | data = data || getExpandoData(ownerDocument);
|
---|
1159 | var clone = data.frag.cloneNode(),
|
---|
1160 | i = 0,
|
---|
1161 | elems = getElements(),
|
---|
1162 | l = elems.length;
|
---|
1163 | for(;i<l;i++){
|
---|
1164 | clone.createElement(elems[i]);
|
---|
1165 | }
|
---|
1166 | return clone;
|
---|
1167 | }
|
---|
1168 |
|
---|
1169 | /**
|
---|
1170 | * Shivs the `createElement` and `createDocumentFragment` methods of the document.
|
---|
1171 | * @private
|
---|
1172 | * @param {Document|DocumentFragment} ownerDocument The document.
|
---|
1173 | * @param {Object} data of the document.
|
---|
1174 | */
|
---|
1175 | function shivMethods(ownerDocument, data) {
|
---|
1176 | if (!data.cache) {
|
---|
1177 | data.cache = {};
|
---|
1178 | data.createElem = ownerDocument.createElement;
|
---|
1179 | data.createFrag = ownerDocument.createDocumentFragment;
|
---|
1180 | data.frag = data.createFrag();
|
---|
1181 | }
|
---|
1182 |
|
---|
1183 |
|
---|
1184 | ownerDocument.createElement = function(nodeName) {
|
---|
1185 | //abort shiv
|
---|
1186 | if (!html5.shivMethods) {
|
---|
1187 | return data.createElem(nodeName);
|
---|
1188 | }
|
---|
1189 | return createElement(nodeName, ownerDocument, data);
|
---|
1190 | };
|
---|
1191 |
|
---|
1192 | ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
|
---|
1193 | 'var n=f.cloneNode(),c=n.createElement;' +
|
---|
1194 | 'h.shivMethods&&(' +
|
---|
1195 | // unroll the `createElement` calls
|
---|
1196 | getElements().join().replace(/[\w\-]+/g, function(nodeName) {
|
---|
1197 | data.createElem(nodeName);
|
---|
1198 | data.frag.createElement(nodeName);
|
---|
1199 | return 'c("' + nodeName + '")';
|
---|
1200 | }) +
|
---|
1201 | ');return n}'
|
---|
1202 | )(html5, data.frag);
|
---|
1203 | }
|
---|
1204 |
|
---|
1205 | /*--------------------------------------------------------------------------*/
|
---|
1206 |
|
---|
1207 | /**
|
---|
1208 | * Shivs the given document.
|
---|
1209 | * @memberOf html5
|
---|
1210 | * @param {Document} ownerDocument The document to shiv.
|
---|
1211 | * @returns {Document} The shived document.
|
---|
1212 | */
|
---|
1213 | function shivDocument(ownerDocument) {
|
---|
1214 | if (!ownerDocument) {
|
---|
1215 | ownerDocument = document;
|
---|
1216 | }
|
---|
1217 | var data = getExpandoData(ownerDocument);
|
---|
1218 |
|
---|
1219 | if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
|
---|
1220 | data.hasCSS = !!addStyleSheet(ownerDocument,
|
---|
1221 | // corrects block display not defined in IE6/7/8/9
|
---|
1222 | 'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
|
---|
1223 | // adds styling not present in IE6/7/8/9
|
---|
1224 | 'mark{background:#FF0;color:#000}' +
|
---|
1225 | // hides non-rendered elements
|
---|
1226 | 'template{display:none}'
|
---|
1227 | );
|
---|
1228 | }
|
---|
1229 | if (!supportsUnknownElements) {
|
---|
1230 | shivMethods(ownerDocument, data);
|
---|
1231 | }
|
---|
1232 | return ownerDocument;
|
---|
1233 | }
|
---|
1234 |
|
---|
1235 | /*--------------------------------------------------------------------------*/
|
---|
1236 |
|
---|
1237 | /**
|
---|
1238 | * The `html5` object is exposed so that more elements can be shived and
|
---|
1239 | * existing shiving can be detected on iframes.
|
---|
1240 | * @type Object
|
---|
1241 | * @example
|
---|
1242 | *
|
---|
1243 | * // options can be changed before the script is included
|
---|
1244 | * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
|
---|
1245 | */
|
---|
1246 | var html5 = {
|
---|
1247 |
|
---|
1248 | /**
|
---|
1249 | * An array or space separated string of node names of the elements to shiv.
|
---|
1250 | * @memberOf html5
|
---|
1251 | * @type Array|String
|
---|
1252 | */
|
---|
1253 | 'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video',
|
---|
1254 |
|
---|
1255 | /**
|
---|
1256 | * current version of html5shiv
|
---|
1257 | */
|
---|
1258 | 'version': version,
|
---|
1259 |
|
---|
1260 | /**
|
---|
1261 | * A flag to indicate that the HTML5 style sheet should be inserted.
|
---|
1262 | * @memberOf html5
|
---|
1263 | * @type Boolean
|
---|
1264 | */
|
---|
1265 | 'shivCSS': (options.shivCSS !== false),
|
---|
1266 |
|
---|
1267 | /**
|
---|
1268 | * Is equal to true if a browser supports creating unknown/HTML5 elements
|
---|
1269 | * @memberOf html5
|
---|
1270 | * @type boolean
|
---|
1271 | */
|
---|
1272 | 'supportsUnknownElements': supportsUnknownElements,
|
---|
1273 |
|
---|
1274 | /**
|
---|
1275 | * A flag to indicate that the document's `createElement` and `createDocumentFragment`
|
---|
1276 | * methods should be overwritten.
|
---|
1277 | * @memberOf html5
|
---|
1278 | * @type Boolean
|
---|
1279 | */
|
---|
1280 | 'shivMethods': (options.shivMethods !== false),
|
---|
1281 |
|
---|
1282 | /**
|
---|
1283 | * A string to describe the type of `html5` object ("default" or "default print").
|
---|
1284 | * @memberOf html5
|
---|
1285 | * @type String
|
---|
1286 | */
|
---|
1287 | 'type': 'default',
|
---|
1288 |
|
---|
1289 | // shivs the document according to the specified `html5` object options
|
---|
1290 | 'shivDocument': shivDocument,
|
---|
1291 |
|
---|
1292 | //creates a shived element
|
---|
1293 | createElement: createElement,
|
---|
1294 |
|
---|
1295 | //creates a shived documentFragment
|
---|
1296 | createDocumentFragment: createDocumentFragment
|
---|
1297 | };
|
---|
1298 |
|
---|
1299 | /*--------------------------------------------------------------------------*/
|
---|
1300 |
|
---|
1301 | // expose html5
|
---|
1302 | window.html5 = html5;
|
---|
1303 |
|
---|
1304 | // shiv the document
|
---|
1305 | shivDocument(document);
|
---|
1306 |
|
---|
1307 | }(this, document));
|
---|
1308 | /*>>shiv*/
|
---|
1309 |
|
---|
1310 | // Assign private properties to the return object with prefix
|
---|
1311 | Modernizr._version = version;
|
---|
1312 |
|
---|
1313 | // expose these for the plugin API. Look in the source for how to join() them against your input
|
---|
1314 | /*>>prefixes*/
|
---|
1315 | Modernizr._prefixes = prefixes;
|
---|
1316 | /*>>prefixes*/
|
---|
1317 | /*>>domprefixes*/
|
---|
1318 | Modernizr._domPrefixes = domPrefixes;
|
---|
1319 | Modernizr._cssomPrefixes = cssomPrefixes;
|
---|
1320 | /*>>domprefixes*/
|
---|
1321 |
|
---|
1322 | /*>>mq*/
|
---|
1323 | // Modernizr.mq tests a given media query, live against the current state of the window
|
---|
1324 | // A few important notes:
|
---|
1325 | // * If a browser does not support media queries at all (eg. oldIE) the mq() will always return false
|
---|
1326 | // * A max-width or orientation query will be evaluated against the current state, which may change later.
|
---|
1327 | // * You must specify values. Eg. If you are testing support for the min-width media query use:
|
---|
1328 | // Modernizr.mq('(min-width:0)')
|
---|
1329 | // usage:
|
---|
1330 | // Modernizr.mq('only screen and (max-width:768)')
|
---|
1331 | Modernizr.mq = testMediaQuery;
|
---|
1332 | /*>>mq*/
|
---|
1333 |
|
---|
1334 | /*>>hasevent*/
|
---|
1335 | // Modernizr.hasEvent() detects support for a given event, with an optional element to test on
|
---|
1336 | // Modernizr.hasEvent('gesturestart', elem)
|
---|
1337 | Modernizr.hasEvent = isEventSupported;
|
---|
1338 | /*>>hasevent*/
|
---|
1339 |
|
---|
1340 | /*>>testprop*/
|
---|
1341 | // Modernizr.testProp() investigates whether a given style property is recognized
|
---|
1342 | // Note that the property names must be provided in the camelCase variant.
|
---|
1343 | // Modernizr.testProp('pointerEvents')
|
---|
1344 | Modernizr.testProp = function(prop){
|
---|
1345 | return testProps([prop]);
|
---|
1346 | };
|
---|
1347 | /*>>testprop*/
|
---|
1348 |
|
---|
1349 | /*>>testallprops*/
|
---|
1350 | // Modernizr.testAllProps() investigates whether a given style property,
|
---|
1351 | // or any of its vendor-prefixed variants, is recognized
|
---|
1352 | // Note that the property names must be provided in the camelCase variant.
|
---|
1353 | // Modernizr.testAllProps('boxSizing')
|
---|
1354 | Modernizr.testAllProps = testPropsAll;
|
---|
1355 | /*>>testallprops*/
|
---|
1356 |
|
---|
1357 |
|
---|
1358 | /*>>teststyles*/
|
---|
1359 | // Modernizr.testStyles() allows you to add custom styles to the document and test an element afterwards
|
---|
1360 | // Modernizr.testStyles('#modernizr { position:absolute }', function(elem, rule){ ... })
|
---|
1361 | Modernizr.testStyles = injectElementWithStyles;
|
---|
1362 | /*>>teststyles*/
|
---|
1363 |
|
---|
1364 |
|
---|
1365 | /*>>prefixed*/
|
---|
1366 | // Modernizr.prefixed() returns the prefixed or nonprefixed property name variant of your input
|
---|
1367 | // Modernizr.prefixed('boxSizing') // 'MozBoxSizing'
|
---|
1368 |
|
---|
1369 | // Properties must be passed as dom-style camelcase, rather than `box-sizing` hypentated style.
|
---|
1370 | // Return values will also be the camelCase variant, if you need to translate that to hypenated style use:
|
---|
1371 | //
|
---|
1372 | // str.replace(/([A-Z])/g, function(str,m1){ return '-' + m1.toLowerCase(); }).replace(/^ms-/,'-ms-');
|
---|
1373 |
|
---|
1374 | // If you're trying to ascertain which transition end event to bind to, you might do something like...
|
---|
1375 | //
|
---|
1376 | // var transEndEventNames = {
|
---|
1377 | // 'WebkitTransition' : 'webkitTransitionEnd',
|
---|
1378 | // 'MozTransition' : 'transitionend',
|
---|
1379 | // 'OTransition' : 'oTransitionEnd',
|
---|
1380 | // 'msTransition' : 'MSTransitionEnd',
|
---|
1381 | // 'transition' : 'transitionend'
|
---|
1382 | // },
|
---|
1383 | // transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ];
|
---|
1384 |
|
---|
1385 | Modernizr.prefixed = function(prop, obj, elem){
|
---|
1386 | if(!obj) {
|
---|
1387 | return testPropsAll(prop, 'pfx');
|
---|
1388 | } else {
|
---|
1389 | // Testing DOM property e.g. Modernizr.prefixed('requestAnimationFrame', window) // 'mozRequestAnimationFrame'
|
---|
1390 | return testPropsAll(prop, obj, elem);
|
---|
1391 | }
|
---|
1392 | };
|
---|
1393 | /*>>prefixed*/
|
---|
1394 |
|
---|
1395 |
|
---|
1396 | /*>>cssclasses*/
|
---|
1397 | // Remove "no-js" class from <html> element, if it exists:
|
---|
1398 | docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') +
|
---|
1399 |
|
---|
1400 | // Add the new classes to the <html> element.
|
---|
1401 | (enableClasses ? ' js ' + classes.join(' ') : '');
|
---|
1402 | /*>>cssclasses*/
|
---|
1403 |
|
---|
1404 | return Modernizr;
|
---|
1405 |
|
---|
1406 | })(this, this.document);
|
---|