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|  | 1 | +/** | 
|  | 2 | +* @preserve HTML5 Shiv 3.7.2 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed | 
|  | 3 | +*/ | 
|  | 4 | +;(function(window, document) { | 
|  | 5 | +/*jshint evil:true */ | 
|  | 6 | +  /** version */ | 
|  | 7 | +  var version = '3.7.2'; | 
|  | 8 | + | 
|  | 9 | +  /** Preset options */ | 
|  | 10 | +  var options = window.html5 || {}; | 
|  | 11 | + | 
|  | 12 | +  /** Used to skip problem elements */ | 
|  | 13 | +  var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i; | 
|  | 14 | + | 
|  | 15 | +  /** Not all elements can be cloned in IE **/ | 
|  | 16 | +  var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i; | 
|  | 17 | + | 
|  | 18 | +  /** Detect whether the browser supports default html5 styles */ | 
|  | 19 | +  var supportsHtml5Styles; | 
|  | 20 | + | 
|  | 21 | +  /** Name of the expando, to work with multiple documents or to re-shiv one document */ | 
|  | 22 | +  var expando = '_html5shiv'; | 
|  | 23 | + | 
|  | 24 | +  /** The id for the the documents expando */ | 
|  | 25 | +  var expanID = 0; | 
|  | 26 | + | 
|  | 27 | +  /** Cached data for each document */ | 
|  | 28 | +  var expandoData = {}; | 
|  | 29 | + | 
|  | 30 | +  /** Detect whether the browser supports unknown elements */ | 
|  | 31 | +  var supportsUnknownElements; | 
|  | 32 | + | 
|  | 33 | +  (function() { | 
|  | 34 | +    try { | 
|  | 35 | +        var a = document.createElement('a'); | 
|  | 36 | +        a.innerHTML = '<xyz></xyz>'; | 
|  | 37 | +        //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles | 
|  | 38 | +        supportsHtml5Styles = ('hidden' in a); | 
|  | 39 | + | 
|  | 40 | +        supportsUnknownElements = a.childNodes.length == 1 || (function() { | 
|  | 41 | +          // assign a false positive if unable to shiv | 
|  | 42 | +          (document.createElement)('a'); | 
|  | 43 | +          var frag = document.createDocumentFragment(); | 
|  | 44 | +          return ( | 
|  | 45 | +            typeof frag.cloneNode == 'undefined' || | 
|  | 46 | +            typeof frag.createDocumentFragment == 'undefined' || | 
|  | 47 | +            typeof frag.createElement == 'undefined' | 
|  | 48 | +          ); | 
|  | 49 | +        }()); | 
|  | 50 | +    } catch(e) { | 
|  | 51 | +      // assign a false positive if detection fails => unable to shiv | 
|  | 52 | +      supportsHtml5Styles = true; | 
|  | 53 | +      supportsUnknownElements = true; | 
|  | 54 | +    } | 
|  | 55 | + | 
|  | 56 | +  }()); | 
|  | 57 | + | 
|  | 58 | +  /*--------------------------------------------------------------------------*/ | 
|  | 59 | + | 
|  | 60 | +  /** | 
|  | 61 | +   * Creates a style sheet with the given CSS text and adds it to the document. | 
|  | 62 | +   * @private | 
|  | 63 | +   * @param {Document} ownerDocument The document. | 
|  | 64 | +   * @param {String} cssText The CSS text. | 
|  | 65 | +   * @returns {StyleSheet} The style element. | 
|  | 66 | +   */ | 
|  | 67 | +  function addStyleSheet(ownerDocument, cssText) { | 
|  | 68 | +    var p = ownerDocument.createElement('p'), | 
|  | 69 | +        parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement; | 
|  | 70 | + | 
|  | 71 | +    p.innerHTML = 'x<style>' + cssText + '</style>'; | 
|  | 72 | +    return parent.insertBefore(p.lastChild, parent.firstChild); | 
|  | 73 | +  } | 
|  | 74 | + | 
|  | 75 | +  /** | 
|  | 76 | +   * Returns the value of `html5.elements` as an array. | 
|  | 77 | +   * @private | 
|  | 78 | +   * @returns {Array} An array of shived element node names. | 
|  | 79 | +   */ | 
|  | 80 | +  function getElements() { | 
|  | 81 | +    var elements = html5.elements; | 
|  | 82 | +    return typeof elements == 'string' ? elements.split(' ') : elements; | 
|  | 83 | +  } | 
|  | 84 | + | 
|  | 85 | +  /** | 
|  | 86 | +   * Extends the built-in list of html5 elements | 
|  | 87 | +   * @memberOf html5 | 
|  | 88 | +   * @param {String|Array} newElements whitespace separated list or array of new element names to shiv | 
|  | 89 | +   * @param {Document} ownerDocument The context document. | 
|  | 90 | +   */ | 
|  | 91 | +  function addElements(newElements, ownerDocument) { | 
|  | 92 | +    var elements = html5.elements; | 
|  | 93 | +    if(typeof elements != 'string'){ | 
|  | 94 | +      elements = elements.join(' '); | 
|  | 95 | +    } | 
|  | 96 | +    if(typeof newElements != 'string'){ | 
|  | 97 | +      newElements = newElements.join(' '); | 
|  | 98 | +    } | 
|  | 99 | +    html5.elements = elements +' '+ newElements; | 
|  | 100 | +    shivDocument(ownerDocument); | 
|  | 101 | +  } | 
|  | 102 | + | 
|  | 103 | +   /** | 
|  | 104 | +   * Returns the data associated to the given document | 
|  | 105 | +   * @private | 
|  | 106 | +   * @param {Document} ownerDocument The document. | 
|  | 107 | +   * @returns {Object} An object of data. | 
|  | 108 | +   */ | 
|  | 109 | +  function getExpandoData(ownerDocument) { | 
|  | 110 | +    var data = expandoData[ownerDocument[expando]]; | 
|  | 111 | +    if (!data) { | 
|  | 112 | +        data = {}; | 
|  | 113 | +        expanID++; | 
|  | 114 | +        ownerDocument[expando] = expanID; | 
|  | 115 | +        expandoData[expanID] = data; | 
|  | 116 | +    } | 
|  | 117 | +    return data; | 
|  | 118 | +  } | 
|  | 119 | + | 
|  | 120 | +  /** | 
|  | 121 | +   * returns a shived element for the given nodeName and document | 
|  | 122 | +   * @memberOf html5 | 
|  | 123 | +   * @param {String} nodeName name of the element | 
|  | 124 | +   * @param {Document} ownerDocument The context document. | 
|  | 125 | +   * @returns {Object} The shived element. | 
|  | 126 | +   */ | 
|  | 127 | +  function createElement(nodeName, ownerDocument, data){ | 
|  | 128 | +    if (!ownerDocument) { | 
|  | 129 | +        ownerDocument = document; | 
|  | 130 | +    } | 
|  | 131 | +    if(supportsUnknownElements){ | 
|  | 132 | +        return ownerDocument.createElement(nodeName); | 
|  | 133 | +    } | 
|  | 134 | +    if (!data) { | 
|  | 135 | +        data = getExpandoData(ownerDocument); | 
|  | 136 | +    } | 
|  | 137 | +    var node; | 
|  | 138 | + | 
|  | 139 | +    if (data.cache[nodeName]) { | 
|  | 140 | +        node = data.cache[nodeName].cloneNode(); | 
|  | 141 | +    } else if (saveClones.test(nodeName)) { | 
|  | 142 | +        node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode(); | 
|  | 143 | +    } else { | 
|  | 144 | +        node = data.createElem(nodeName); | 
|  | 145 | +    } | 
|  | 146 | + | 
|  | 147 | +    // Avoid adding some elements to fragments in IE < 9 because | 
|  | 148 | +    // * Attributes like `name` or `type` cannot be set/changed once an element | 
|  | 149 | +    //   is inserted into a document/fragment | 
|  | 150 | +    // * Link elements with `src` attributes that are inaccessible, as with | 
|  | 151 | +    //   a 403 response, will cause the tab/window to crash | 
|  | 152 | +    // * Script elements appended to fragments will execute when their `src` | 
|  | 153 | +    //   or `text` property is set | 
|  | 154 | +    return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node; | 
|  | 155 | +  } | 
|  | 156 | + | 
|  | 157 | +  /** | 
|  | 158 | +   * returns a shived DocumentFragment for the given document | 
|  | 159 | +   * @memberOf html5 | 
|  | 160 | +   * @param {Document} ownerDocument The context document. | 
|  | 161 | +   * @returns {Object} The shived DocumentFragment. | 
|  | 162 | +   */ | 
|  | 163 | +  function createDocumentFragment(ownerDocument, data){ | 
|  | 164 | +    if (!ownerDocument) { | 
|  | 165 | +        ownerDocument = document; | 
|  | 166 | +    } | 
|  | 167 | +    if(supportsUnknownElements){ | 
|  | 168 | +        return ownerDocument.createDocumentFragment(); | 
|  | 169 | +    } | 
|  | 170 | +    data = data || getExpandoData(ownerDocument); | 
|  | 171 | +    var clone = data.frag.cloneNode(), | 
|  | 172 | +        i = 0, | 
|  | 173 | +        elems = getElements(), | 
|  | 174 | +        l = elems.length; | 
|  | 175 | +    for(;i<l;i++){ | 
|  | 176 | +        clone.createElement(elems[i]); | 
|  | 177 | +    } | 
|  | 178 | +    return clone; | 
|  | 179 | +  } | 
|  | 180 | + | 
|  | 181 | +  /** | 
|  | 182 | +   * Shivs the `createElement` and `createDocumentFragment` methods of the document. | 
|  | 183 | +   * @private | 
|  | 184 | +   * @param {Document|DocumentFragment} ownerDocument The document. | 
|  | 185 | +   * @param {Object} data of the document. | 
|  | 186 | +   */ | 
|  | 187 | +  function shivMethods(ownerDocument, data) { | 
|  | 188 | +    if (!data.cache) { | 
|  | 189 | +        data.cache = {}; | 
|  | 190 | +        data.createElem = ownerDocument.createElement; | 
|  | 191 | +        data.createFrag = ownerDocument.createDocumentFragment; | 
|  | 192 | +        data.frag = data.createFrag(); | 
|  | 193 | +    } | 
|  | 194 | + | 
|  | 195 | + | 
|  | 196 | +    ownerDocument.createElement = function(nodeName) { | 
|  | 197 | +      //abort shiv | 
|  | 198 | +      if (!html5.shivMethods) { | 
|  | 199 | +          return data.createElem(nodeName); | 
|  | 200 | +      } | 
|  | 201 | +      return createElement(nodeName, ownerDocument, data); | 
|  | 202 | +    }; | 
|  | 203 | + | 
|  | 204 | +    ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' + | 
|  | 205 | +      'var n=f.cloneNode(),c=n.createElement;' + | 
|  | 206 | +      'h.shivMethods&&(' + | 
|  | 207 | +        // unroll the `createElement` calls | 
|  | 208 | +        getElements().join().replace(/[\w\-:]+/g, function(nodeName) { | 
|  | 209 | +          data.createElem(nodeName); | 
|  | 210 | +          data.frag.createElement(nodeName); | 
|  | 211 | +          return 'c("' + nodeName + '")'; | 
|  | 212 | +        }) + | 
|  | 213 | +      ');return n}' | 
|  | 214 | +    )(html5, data.frag); | 
|  | 215 | +  } | 
|  | 216 | + | 
|  | 217 | +  /*--------------------------------------------------------------------------*/ | 
|  | 218 | + | 
|  | 219 | +  /** | 
|  | 220 | +   * Shivs the given document. | 
|  | 221 | +   * @memberOf html5 | 
|  | 222 | +   * @param {Document} ownerDocument The document to shiv. | 
|  | 223 | +   * @returns {Document} The shived document. | 
|  | 224 | +   */ | 
|  | 225 | +  function shivDocument(ownerDocument) { | 
|  | 226 | +    if (!ownerDocument) { | 
|  | 227 | +        ownerDocument = document; | 
|  | 228 | +    } | 
|  | 229 | +    var data = getExpandoData(ownerDocument); | 
|  | 230 | + | 
|  | 231 | +    if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) { | 
|  | 232 | +      data.hasCSS = !!addStyleSheet(ownerDocument, | 
|  | 233 | +        // corrects block display not defined in IE6/7/8/9 | 
|  | 234 | +        'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' + | 
|  | 235 | +        // adds styling not present in IE6/7/8/9 | 
|  | 236 | +        'mark{background:#FF0;color:#000}' + | 
|  | 237 | +        // hides non-rendered elements | 
|  | 238 | +        'template{display:none}' | 
|  | 239 | +      ); | 
|  | 240 | +    } | 
|  | 241 | +    if (!supportsUnknownElements) { | 
|  | 242 | +      shivMethods(ownerDocument, data); | 
|  | 243 | +    } | 
|  | 244 | +    return ownerDocument; | 
|  | 245 | +  } | 
|  | 246 | + | 
|  | 247 | +  /*--------------------------------------------------------------------------*/ | 
|  | 248 | + | 
|  | 249 | +  /** | 
|  | 250 | +   * The `html5` object is exposed so that more elements can be shived and | 
|  | 251 | +   * existing shiving can be detected on iframes. | 
|  | 252 | +   * @type Object | 
|  | 253 | +   * @example | 
|  | 254 | +   * | 
|  | 255 | +   * // options can be changed before the script is included | 
|  | 256 | +   * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false }; | 
|  | 257 | +   */ | 
|  | 258 | +  var html5 = { | 
|  | 259 | + | 
|  | 260 | +    /** | 
|  | 261 | +     * An array or space separated string of node names of the elements to shiv. | 
|  | 262 | +     * @memberOf html5 | 
|  | 263 | +     * @type Array|String | 
|  | 264 | +     */ | 
|  | 265 | +    'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video', | 
|  | 266 | + | 
|  | 267 | +    /** | 
|  | 268 | +     * current version of html5shiv | 
|  | 269 | +     */ | 
|  | 270 | +    'version': version, | 
|  | 271 | + | 
|  | 272 | +    /** | 
|  | 273 | +     * A flag to indicate that the HTML5 style sheet should be inserted. | 
|  | 274 | +     * @memberOf html5 | 
|  | 275 | +     * @type Boolean | 
|  | 276 | +     */ | 
|  | 277 | +    'shivCSS': (options.shivCSS !== false), | 
|  | 278 | + | 
|  | 279 | +    /** | 
|  | 280 | +     * Is equal to true if a browser supports creating unknown/HTML5 elements | 
|  | 281 | +     * @memberOf html5 | 
|  | 282 | +     * @type boolean | 
|  | 283 | +     */ | 
|  | 284 | +    'supportsUnknownElements': supportsUnknownElements, | 
|  | 285 | + | 
|  | 286 | +    /** | 
|  | 287 | +     * A flag to indicate that the document's `createElement` and `createDocumentFragment` | 
|  | 288 | +     * methods should be overwritten. | 
|  | 289 | +     * @memberOf html5 | 
|  | 290 | +     * @type Boolean | 
|  | 291 | +     */ | 
|  | 292 | +    'shivMethods': (options.shivMethods !== false), | 
|  | 293 | + | 
|  | 294 | +    /** | 
|  | 295 | +     * A string to describe the type of `html5` object ("default" or "default print"). | 
|  | 296 | +     * @memberOf html5 | 
|  | 297 | +     * @type String | 
|  | 298 | +     */ | 
|  | 299 | +    'type': 'default', | 
|  | 300 | + | 
|  | 301 | +    // shivs the document according to the specified `html5` object options | 
|  | 302 | +    'shivDocument': shivDocument, | 
|  | 303 | + | 
|  | 304 | +    //creates a shived element | 
|  | 305 | +    createElement: createElement, | 
|  | 306 | + | 
|  | 307 | +    //creates a shived documentFragment | 
|  | 308 | +    createDocumentFragment: createDocumentFragment, | 
|  | 309 | + | 
|  | 310 | +    //extends list of elements | 
|  | 311 | +    addElements: addElements | 
|  | 312 | +  }; | 
|  | 313 | + | 
|  | 314 | +  /*--------------------------------------------------------------------------*/ | 
|  | 315 | + | 
|  | 316 | +  // expose html5 | 
|  | 317 | +  window.html5 = html5; | 
|  | 318 | + | 
|  | 319 | +  // shiv the document | 
|  | 320 | +  shivDocument(document); | 
|  | 321 | + | 
|  | 322 | +}(this, document)); | 
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