modernizr.js 18 KB

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  1. /* Modernizr 2.8.3 (Custom Build) | MIT & BSD
  2. * Build: http://modernizr.com/download/#-flexbox-flexboxlegacy-csstransforms-csstransforms3d-shiv-cssclasses-teststyles-testprop-testallprops-prefixes-domprefixes-css_overflow_scrolling-load
  3. */
  4. ;
  5. window.Modernizr = (function( window, document, undefined ) {
  6. var version = '2.8.3',
  7. Modernizr = {},
  8. enableClasses = true,
  9. docElement = document.documentElement,
  10. mod = 'modernizr',
  11. modElem = document.createElement(mod),
  12. mStyle = modElem.style,
  13. inputElem ,
  14. toString = {}.toString,
  15. prefixes = ' -webkit- -moz- -o- -ms- '.split(' '),
  16. omPrefixes = 'Webkit Moz O ms',
  17. cssomPrefixes = omPrefixes.split(' '),
  18. domPrefixes = omPrefixes.toLowerCase().split(' '),
  19. tests = {},
  20. inputs = {},
  21. attrs = {},
  22. classes = [],
  23. slice = classes.slice,
  24. featureName,
  25. injectElementWithStyles = function( rule, callback, nodes, testnames ) {
  26. var style, ret, node, docOverflow,
  27. div = document.createElement('div'),
  28. body = document.body,
  29. fakeBody = body || document.createElement('body');
  30. if ( parseInt(nodes, 10) ) {
  31. while ( nodes-- ) {
  32. node = document.createElement('div');
  33. node.id = testnames ? testnames[nodes] : mod + (nodes + 1);
  34. div.appendChild(node);
  35. }
  36. }
  37. style = ['&#173;','<style id="s', mod, '">', rule, '</style>'].join('');
  38. div.id = mod;
  39. (body ? div : fakeBody).innerHTML += style;
  40. fakeBody.appendChild(div);
  41. if ( !body ) {
  42. fakeBody.style.background = '';
  43. fakeBody.style.overflow = 'hidden';
  44. docOverflow = docElement.style.overflow;
  45. docElement.style.overflow = 'hidden';
  46. docElement.appendChild(fakeBody);
  47. }
  48. ret = callback(div, rule);
  49. if ( !body ) {
  50. fakeBody.parentNode.removeChild(fakeBody);
  51. docElement.style.overflow = docOverflow;
  52. } else {
  53. div.parentNode.removeChild(div);
  54. }
  55. return !!ret;
  56. },
  57. _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp;
  58. if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) {
  59. hasOwnProp = function (object, property) {
  60. return _hasOwnProperty.call(object, property);
  61. };
  62. }
  63. else {
  64. hasOwnProp = function (object, property) {
  65. return ((property in object) && is(object.constructor.prototype[property], 'undefined'));
  66. };
  67. }
  68. if (!Function.prototype.bind) {
  69. Function.prototype.bind = function bind(that) {
  70. var target = this;
  71. if (typeof target != "function") {
  72. throw new TypeError();
  73. }
  74. var args = slice.call(arguments, 1),
  75. bound = function () {
  76. if (this instanceof bound) {
  77. var F = function(){};
  78. F.prototype = target.prototype;
  79. var self = new F();
  80. var result = target.apply(
  81. self,
  82. args.concat(slice.call(arguments))
  83. );
  84. if (Object(result) === result) {
  85. return result;
  86. }
  87. return self;
  88. } else {
  89. return target.apply(
  90. that,
  91. args.concat(slice.call(arguments))
  92. );
  93. }
  94. };
  95. return bound;
  96. };
  97. }
  98. function setCss( str ) {
  99. mStyle.cssText = str;
  100. }
  101. function setCssAll( str1, str2 ) {
  102. return setCss(prefixes.join(str1 + ';') + ( str2 || '' ));
  103. }
  104. function is( obj, type ) {
  105. return typeof obj === type;
  106. }
  107. function contains( str, substr ) {
  108. return !!~('' + str).indexOf(substr);
  109. }
  110. function testProps( props, prefixed ) {
  111. for ( var i in props ) {
  112. var prop = props[i];
  113. if ( !contains(prop, "-") && mStyle[prop] !== undefined ) {
  114. return prefixed == 'pfx' ? prop : true;
  115. }
  116. }
  117. return false;
  118. }
  119. function testDOMProps( props, obj, elem ) {
  120. for ( var i in props ) {
  121. var item = obj[props[i]];
  122. if ( item !== undefined) {
  123. if (elem === false) return props[i];
  124. if (is(item, 'function')){
  125. return item.bind(elem || obj);
  126. }
  127. return item;
  128. }
  129. }
  130. return false;
  131. }
  132. function testPropsAll( prop, prefixed, elem ) {
  133. var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1),
  134. props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' ');
  135. if(is(prefixed, "string") || is(prefixed, "undefined")) {
  136. return testProps(props, prefixed);
  137. } else {
  138. props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' ');
  139. return testDOMProps(props, prefixed, elem);
  140. }
  141. } tests['flexbox'] = function() {
  142. return testPropsAll('flexWrap');
  143. };
  144. tests['flexboxlegacy'] = function() {
  145. return testPropsAll('boxDirection');
  146. };
  147. tests['csstransforms'] = function() {
  148. return !!testPropsAll('transform');
  149. };
  150. tests['csstransforms3d'] = function() {
  151. var ret = !!testPropsAll('perspective');
  152. if ( ret && 'webkitPerspective' in docElement.style ) {
  153. injectElementWithStyles('@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}', function( node, rule ) {
  154. ret = node.offsetLeft === 9 && node.offsetHeight === 3;
  155. });
  156. }
  157. return ret;
  158. };
  159. for ( var feature in tests ) {
  160. if ( hasOwnProp(tests, feature) ) {
  161. featureName = feature.toLowerCase();
  162. Modernizr[featureName] = tests[feature]();
  163. classes.push((Modernizr[featureName] ? '' : 'no-') + featureName);
  164. }
  165. }
  166. Modernizr.addTest = function ( feature, test ) {
  167. if ( typeof feature == 'object' ) {
  168. for ( var key in feature ) {
  169. if ( hasOwnProp( feature, key ) ) {
  170. Modernizr.addTest( key, feature[ key ] );
  171. }
  172. }
  173. } else {
  174. feature = feature.toLowerCase();
  175. if ( Modernizr[feature] !== undefined ) {
  176. return Modernizr;
  177. }
  178. test = typeof test == 'function' ? test() : test;
  179. if (typeof enableClasses !== "undefined" && enableClasses) {
  180. docElement.className += ' ' + (test ? '' : 'no-') + feature;
  181. }
  182. Modernizr[feature] = test;
  183. }
  184. return Modernizr;
  185. };
  186. setCss('');
  187. modElem = inputElem = null;
  188. ;(function(window, document) {
  189. var version = '3.7.0';
  190. var options = window.html5 || {};
  191. var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
  192. var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
  193. var supportsHtml5Styles;
  194. var expando = '_html5shiv';
  195. var expanID = 0;
  196. var expandoData = {};
  197. var supportsUnknownElements;
  198. (function() {
  199. try {
  200. var a = document.createElement('a');
  201. a.innerHTML = '<xyz></xyz>';
  202. supportsHtml5Styles = ('hidden' in a);
  203. supportsUnknownElements = a.childNodes.length == 1 || (function() {
  204. (document.createElement)('a');
  205. var frag = document.createDocumentFragment();
  206. return (
  207. typeof frag.cloneNode == 'undefined' ||
  208. typeof frag.createDocumentFragment == 'undefined' ||
  209. typeof frag.createElement == 'undefined'
  210. );
  211. }());
  212. } catch(e) {
  213. supportsHtml5Styles = true;
  214. supportsUnknownElements = true;
  215. }
  216. }());
  217. function addStyleSheet(ownerDocument, cssText) {
  218. var p = ownerDocument.createElement('p'),
  219. parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
  220. p.innerHTML = 'x<style>' + cssText + '</style>';
  221. return parent.insertBefore(p.lastChild, parent.firstChild);
  222. }
  223. function getElements() {
  224. var elements = html5.elements;
  225. return typeof elements == 'string' ? elements.split(' ') : elements;
  226. }
  227. function getExpandoData(ownerDocument) {
  228. var data = expandoData[ownerDocument[expando]];
  229. if (!data) {
  230. data = {};
  231. expanID++;
  232. ownerDocument[expando] = expanID;
  233. expandoData[expanID] = data;
  234. }
  235. return data;
  236. }
  237. function createElement(nodeName, ownerDocument, data){
  238. if (!ownerDocument) {
  239. ownerDocument = document;
  240. }
  241. if(supportsUnknownElements){
  242. return ownerDocument.createElement(nodeName);
  243. }
  244. if (!data) {
  245. data = getExpandoData(ownerDocument);
  246. }
  247. var node;
  248. if (data.cache[nodeName]) {
  249. node = data.cache[nodeName].cloneNode();
  250. } else if (saveClones.test(nodeName)) {
  251. node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
  252. } else {
  253. node = data.createElem(nodeName);
  254. }
  255. return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
  256. }
  257. function createDocumentFragment(ownerDocument, data){
  258. if (!ownerDocument) {
  259. ownerDocument = document;
  260. }
  261. if(supportsUnknownElements){
  262. return ownerDocument.createDocumentFragment();
  263. }
  264. data = data || getExpandoData(ownerDocument);
  265. var clone = data.frag.cloneNode(),
  266. i = 0,
  267. elems = getElements(),
  268. l = elems.length;
  269. for(;i<l;i++){
  270. clone.createElement(elems[i]);
  271. }
  272. return clone;
  273. }
  274. function shivMethods(ownerDocument, data) {
  275. if (!data.cache) {
  276. data.cache = {};
  277. data.createElem = ownerDocument.createElement;
  278. data.createFrag = ownerDocument.createDocumentFragment;
  279. data.frag = data.createFrag();
  280. }
  281. ownerDocument.createElement = function(nodeName) {
  282. if (!html5.shivMethods) {
  283. return data.createElem(nodeName);
  284. }
  285. return createElement(nodeName, ownerDocument, data);
  286. };
  287. ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
  288. 'var n=f.cloneNode(),c=n.createElement;' +
  289. 'h.shivMethods&&(' +
  290. getElements().join().replace(/[\w\-]+/g, function(nodeName) {
  291. data.createElem(nodeName);
  292. data.frag.createElement(nodeName);
  293. return 'c("' + nodeName + '")';
  294. }) +
  295. ');return n}'
  296. )(html5, data.frag);
  297. }
  298. function shivDocument(ownerDocument) {
  299. if (!ownerDocument) {
  300. ownerDocument = document;
  301. }
  302. var data = getExpandoData(ownerDocument);
  303. if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
  304. data.hasCSS = !!addStyleSheet(ownerDocument,
  305. 'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
  306. 'mark{background:#FF0;color:#000}' +
  307. 'template{display:none}'
  308. );
  309. }
  310. if (!supportsUnknownElements) {
  311. shivMethods(ownerDocument, data);
  312. }
  313. return ownerDocument;
  314. }
  315. var html5 = {
  316. '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',
  317. 'version': version,
  318. 'shivCSS': (options.shivCSS !== false),
  319. 'supportsUnknownElements': supportsUnknownElements,
  320. 'shivMethods': (options.shivMethods !== false),
  321. 'type': 'default',
  322. 'shivDocument': shivDocument,
  323. createElement: createElement,
  324. createDocumentFragment: createDocumentFragment
  325. };
  326. window.html5 = html5;
  327. shivDocument(document);
  328. }(this, document));
  329. Modernizr._version = version;
  330. Modernizr._prefixes = prefixes;
  331. Modernizr._domPrefixes = domPrefixes;
  332. Modernizr._cssomPrefixes = cssomPrefixes;
  333. Modernizr.testProp = function(prop){
  334. return testProps([prop]);
  335. };
  336. Modernizr.testAllProps = testPropsAll;
  337. Modernizr.testStyles = injectElementWithStyles; docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') +
  338. (enableClasses ? ' js ' + classes.join(' ') : '');
  339. return Modernizr;
  340. })(this, this.document);
  341. /*yepnope1.5.4|WTFPL*/
  342. (function(a,b,c){function d(a){return"[object Function]"==o.call(a)}function e(a){return"string"==typeof a}function f(){}function g(a){return!a||"loaded"==a||"complete"==a||"uninitialized"==a}function h(){var a=p.shift();q=1,a?a.t?m(function(){("c"==a.t?B.injectCss:B.injectJs)(a.s,0,a.a,a.x,a.e,1)},0):(a(),h()):q=0}function i(a,c,d,e,f,i,j){function k(b){if(!o&&g(l.readyState)&&(u.r=o=1,!q&&h(),l.onload=l.onreadystatechange=null,b)){"img"!=a&&m(function(){t.removeChild(l)},50);for(var d in y[c])y[c].hasOwnProperty(d)&&y[c][d].onload()}}var j=j||B.errorTimeout,l=b.createElement(a),o=0,r=0,u={t:d,s:c,e:f,a:i,x:j};1===y[c]&&(r=1,y[c]=[]),"object"==a?l.data=c:(l.src=c,l.type=a),l.width=l.height="0",l.onerror=l.onload=l.onreadystatechange=function(){k.call(this,r)},p.splice(e,0,u),"img"!=a&&(r||2===y[c]?(t.insertBefore(l,s?null:n),m(k,j)):y[c].push(l))}function j(a,b,c,d,f){return q=0,b=b||"j",e(a)?i("c"==b?v:u,a,b,this.i++,c,d,f):(p.splice(this.i++,0,a),1==p.length&&h()),this}function k(){var a=B;return a.loader={load:j,i:0},a}var l=b.documentElement,m=a.setTimeout,n=b.getElementsByTagName("script")[0],o={}.toString,p=[],q=0,r="MozAppearance"in l.style,s=r&&!!b.createRange().compareNode,t=s?l:n.parentNode,l=a.opera&&"[object Opera]"==o.call(a.opera),l=!!b.attachEvent&&!l,u=r?"object":l?"script":"img",v=l?"script":u,w=Array.isArray||function(a){return"[object Array]"==o.call(a)},x=[],y={},z={timeout:function(a,b){return b.length&&(a.timeout=b[0]),a}},A,B;B=function(a){function b(a){var a=a.split("!"),b=x.length,c=a.pop(),d=a.length,c={url:c,origUrl:c,prefixes:a},e,f,g;for(f=0;f<d;f++)g=a[f].split("="),(e=z[g.shift()])&&(c=e(c,g));for(f=0;f<b;f++)c=x[f](c);return c}function g(a,e,f,g,h){var i=b(a),j=i.autoCallback;i.url.split(".").pop().split("?").shift(),i.bypass||(e&&(e=d(e)?e:e[a]||e[g]||e[a.split("/").pop().split("?")[0]]),i.instead?i.instead(a,e,f,g,h):(y[i.url]?i.noexec=!0:y[i.url]=1,f.load(i.url,i.forceCSS||!i.forceJS&&"css"==i.url.split(".").pop().split("?").shift()?"c":c,i.noexec,i.attrs,i.timeout),(d(e)||d(j))&&f.load(function(){k(),e&&e(i.origUrl,h,g),j&&j(i.origUrl,h,g),y[i.url]=2})))}function h(a,b){function c(a,c){if(a){if(e(a))c||(j=function(){var a=[].slice.call(arguments);k.apply(this,a),l()}),g(a,j,b,0,h);else if(Object(a)===a)for(n in m=function(){var b=0,c;for(c in a)a.hasOwnProperty(c)&&b++;return b}(),a)a.hasOwnProperty(n)&&(!c&&!--m&&(d(j)?j=function(){var a=[].slice.call(arguments);k.apply(this,a),l()}:j[n]=function(a){return function(){var b=[].slice.call(arguments);a&&a.apply(this,b),l()}}(k[n])),g(a[n],j,b,n,h))}else!c&&l()}var h=!!a.test,i=a.load||a.both,j=a.callback||f,k=j,l=a.complete||f,m,n;c(h?a.yep:a.nope,!!i),i&&c(i)}var i,j,l=this.yepnope.loader;if(e(a))g(a,0,l,0);else if(w(a))for(i=0;i<a.length;i++)j=a[i],e(j)?g(j,0,l,0):w(j)?B(j):Object(j)===j&&h(j,l);else Object(a)===a&&h(a,l)},B.addPrefix=function(a,b){z[a]=b},B.addFilter=function(a){x.push(a)},B.errorTimeout=1e4,null==b.readyState&&b.addEventListener&&(b.readyState="loading",b.addEventListener("DOMContentLoaded",A=function(){b.removeEventListener("DOMContentLoaded",A,0),b.readyState="complete"},0)),a.yepnope=k(),a.yepnope.executeStack=h,a.yepnope.injectJs=function(a,c,d,e,i,j){var k=b.createElement("script"),l,o,e=e||B.errorTimeout;k.src=a;for(o in d)k.setAttribute(o,d[o]);c=j?h:c||f,k.onreadystatechange=k.onload=function(){!l&&g(k.readyState)&&(l=1,c(),k.onload=k.onreadystatechange=null)},m(function(){l||(l=1,c(1))},e),i?k.onload():n.parentNode.insertBefore(k,n)},a.yepnope.injectCss=function(a,c,d,e,g,i){var e=b.createElement("link"),j,c=i?h:c||f;e.href=a,e.rel="stylesheet",e.type="text/css";for(j in d)e.setAttribute(j,d[j]);g||(n.parentNode.insertBefore(e,n),m(c,0))}})(this,document);
  343. Modernizr.load=function(){yepnope.apply(window,[].slice.call(arguments,0));};
  344. // johanbrook.com/browsers/native-momentum-scrolling-ios-5/
  345. // introduced in iOS5b2. Possible API may change...
  346. Modernizr.addTest("overflowscrolling",function(){
  347. return Modernizr.testAllProps("overflowScrolling");
  348. });
  349. ;