110     var data = expandoData[ownerDocument[expando]];
111     if (!data) {
112         data = {};
115         expandoData[expanID] = data;
117     return data;
127   function createElement(nodeName, ownerDocument, data){  argument
134     if (!data) {
135         data = getExpandoData(ownerDocument);
139     if (data.cache[nodeName]) {
140         node = data.cache[nodeName].cloneNode();
142         node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
144         node = data.createElem(nodeName);
154 …return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node…
163   function createDocumentFragment(ownerDocument, data){  argument
170     data = data || getExpandoData(ownerDocument);
171     var clone = data.frag.cloneNode(),
187   function shivMethods(ownerDocument, data) {  argument
188     if (!data.cache) {
189         data.cache = {};
190         data.createElem = ownerDocument.createElement;
191         data.createFrag = ownerDocument.createDocumentFragment;
192         data.frag = data.createFrag();
199           return data.createElem(nodeName);
201       return createElement(nodeName, ownerDocument, data);
209           data.createElem(nodeName);
210           data.frag.createElement(nodeName);
214     )(html5, data.frag);
229     var data = getExpandoData(ownerDocument);
231     if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
232       data.hasCSS = !!addStyleSheet(ownerDocument,
242       shivMethods(ownerDocument, data);