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- /**
- * @preserve HTML5 Shiv 3.7.2 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
- */
- ;(function(window, document) {
- /*jshint evil:true */
- /** version */
- var version = '3.7.2';
-
- /** Preset options */
- var options = window.html5 || {};
-
- /** Used to skip problem elements */
- var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i;
-
- /** Not all elements can be cloned in IE **/
- var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i;
-
- /** Detect whether the browser supports default html5 styles */
- var supportsHtml5Styles;
-
- /** Name of the expando, to work with multiple documents or to re-shiv one document */
- var expando = '_html5shiv';
-
- /** The id for the the documents expando */
- var expanID = 0;
-
- /** Cached data for each document */
- var expandoData = {};
-
- /** Detect whether the browser supports unknown elements */
- var supportsUnknownElements;
-
- (function() {
- try {
- var a = document.createElement('a');
- a.innerHTML = '<xyz></xyz>';
- //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles
- supportsHtml5Styles = ('hidden' in a);
-
- supportsUnknownElements = a.childNodes.length == 1 || (function() {
- // assign a false positive if unable to shiv
- (document.createElement)('a');
- var frag = document.createDocumentFragment();
- return (
- typeof frag.cloneNode == 'undefined' ||
- typeof frag.createDocumentFragment == 'undefined' ||
- typeof frag.createElement == 'undefined'
- );
- }());
- } catch(e) {
- // assign a false positive if detection fails => unable to shiv
- supportsHtml5Styles = true;
- supportsUnknownElements = true;
- }
-
- }());
-
- /*--------------------------------------------------------------------------*/
-
- /**
- * Creates a style sheet with the given CSS text and adds it to the document.
- * @private
- * @param {Document} ownerDocument The document.
- * @param {String} cssText The CSS text.
- * @returns {StyleSheet} The style element.
- */
- function addStyleSheet(ownerDocument, cssText) {
- var p = ownerDocument.createElement('p'),
- parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement;
-
- p.innerHTML = 'x<style>' + cssText + '</style>';
- return parent.insertBefore(p.lastChild, parent.firstChild);
- }
-
- /**
- * Returns the value of `html5.elements` as an array.
- * @private
- * @returns {Array} An array of shived element node names.
- */
- function getElements() {
- var elements = html5.elements;
- return typeof elements == 'string' ? elements.split(' ') : elements;
- }
-
- /**
- * Extends the built-in list of html5 elements
- * @memberOf html5
- * @param {String|Array} newElements whitespace separated list or array of new element names to shiv
- * @param {Document} ownerDocument The context document.
- */
- function addElements(newElements, ownerDocument) {
- var elements = html5.elements;
- if(typeof elements != 'string'){
- elements = elements.join(' ');
- }
- if(typeof newElements != 'string'){
- newElements = newElements.join(' ');
- }
- html5.elements = elements +' '+ newElements;
- shivDocument(ownerDocument);
- }
-
- /**
- * Returns the data associated to the given document
- * @private
- * @param {Document} ownerDocument The document.
- * @returns {Object} An object of data.
- */
- function getExpandoData(ownerDocument) {
- var data = expandoData[ownerDocument[expando]];
- if (!data) {
- data = {};
- expanID++;
- ownerDocument[expando] = expanID;
- expandoData[expanID] = data;
- }
- return data;
- }
-
- /**
- * returns a shived element for the given nodeName and document
- * @memberOf html5
- * @param {String} nodeName name of the element
- * @param {Document} ownerDocument The context document.
- * @returns {Object} The shived element.
- */
- function createElement(nodeName, ownerDocument, data){
- if (!ownerDocument) {
- ownerDocument = document;
- }
- if(supportsUnknownElements){
- return ownerDocument.createElement(nodeName);
- }
- if (!data) {
- data = getExpandoData(ownerDocument);
- }
- var node;
-
- if (data.cache[nodeName]) {
- node = data.cache[nodeName].cloneNode();
- } else if (saveClones.test(nodeName)) {
- node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode();
- } else {
- node = data.createElem(nodeName);
- }
-
- // Avoid adding some elements to fragments in IE < 9 because
- // * Attributes like `name` or `type` cannot be set/changed once an element
- // is inserted into a document/fragment
- // * Link elements with `src` attributes that are inaccessible, as with
- // a 403 response, will cause the tab/window to crash
- // * Script elements appended to fragments will execute when their `src`
- // or `text` property is set
- return node.canHaveChildren && !reSkip.test(nodeName) && !node.tagUrn ? data.frag.appendChild(node) : node;
- }
-
- /**
- * returns a shived DocumentFragment for the given document
- * @memberOf html5
- * @param {Document} ownerDocument The context document.
- * @returns {Object} The shived DocumentFragment.
- */
- function createDocumentFragment(ownerDocument, data){
- if (!ownerDocument) {
- ownerDocument = document;
- }
- if(supportsUnknownElements){
- return ownerDocument.createDocumentFragment();
- }
- data = data || getExpandoData(ownerDocument);
- var clone = data.frag.cloneNode(),
- i = 0,
- elems = getElements(),
- l = elems.length;
- for(;i<l;i++){
- clone.createElement(elems[i]);
- }
- return clone;
- }
-
- /**
- * Shivs the `createElement` and `createDocumentFragment` methods of the document.
- * @private
- * @param {Document|DocumentFragment} ownerDocument The document.
- * @param {Object} data of the document.
- */
- function shivMethods(ownerDocument, data) {
- if (!data.cache) {
- data.cache = {};
- data.createElem = ownerDocument.createElement;
- data.createFrag = ownerDocument.createDocumentFragment;
- data.frag = data.createFrag();
- }
-
-
- ownerDocument.createElement = function(nodeName) {
- //abort shiv
- if (!html5.shivMethods) {
- return data.createElem(nodeName);
- }
- return createElement(nodeName, ownerDocument, data);
- };
-
- ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' +
- 'var n=f.cloneNode(),c=n.createElement;' +
- 'h.shivMethods&&(' +
- // unroll the `createElement` calls
- getElements().join().replace(/[\w\-:]+/g, function(nodeName) {
- data.createElem(nodeName);
- data.frag.createElement(nodeName);
- return 'c("' + nodeName + '")';
- }) +
- ');return n}'
- )(html5, data.frag);
- }
-
- /*--------------------------------------------------------------------------*/
-
- /**
- * Shivs the given document.
- * @memberOf html5
- * @param {Document} ownerDocument The document to shiv.
- * @returns {Document} The shived document.
- */
- function shivDocument(ownerDocument) {
- if (!ownerDocument) {
- ownerDocument = document;
- }
- var data = getExpandoData(ownerDocument);
-
- if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) {
- data.hasCSS = !!addStyleSheet(ownerDocument,
- // corrects block display not defined in IE6/7/8/9
- 'article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}' +
- // adds styling not present in IE6/7/8/9
- 'mark{background:#FF0;color:#000}' +
- // hides non-rendered elements
- 'template{display:none}'
- );
- }
- if (!supportsUnknownElements) {
- shivMethods(ownerDocument, data);
- }
- return ownerDocument;
- }
-
- /*--------------------------------------------------------------------------*/
-
- /**
- * The `html5` object is exposed so that more elements can be shived and
- * existing shiving can be detected on iframes.
- * @type Object
- * @example
- *
- * // options can be changed before the script is included
- * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false };
- */
- var html5 = {
-
- /**
- * An array or space separated string of node names of the elements to shiv.
- * @memberOf html5
- * @type Array|String
- */
- 'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video',
-
- /**
- * current version of html5shiv
- */
- 'version': version,
-
- /**
- * A flag to indicate that the HTML5 style sheet should be inserted.
- * @memberOf html5
- * @type Boolean
- */
- 'shivCSS': (options.shivCSS !== false),
-
- /**
- * Is equal to true if a browser supports creating unknown/HTML5 elements
- * @memberOf html5
- * @type boolean
- */
- 'supportsUnknownElements': supportsUnknownElements,
-
- /**
- * A flag to indicate that the document's `createElement` and `createDocumentFragment`
- * methods should be overwritten.
- * @memberOf html5
- * @type Boolean
- */
- 'shivMethods': (options.shivMethods !== false),
-
- /**
- * A string to describe the type of `html5` object ("default" or "default print").
- * @memberOf html5
- * @type String
- */
- 'type': 'default',
-
- // shivs the document according to the specified `html5` object options
- 'shivDocument': shivDocument,
-
- //creates a shived element
- createElement: createElement,
-
- //creates a shived documentFragment
- createDocumentFragment: createDocumentFragment,
-
- //extends list of elements
- addElements: addElements
- };
-
- /*--------------------------------------------------------------------------*/
-
- // expose html5
- window.html5 = html5;
-
- // shiv the document
- shivDocument(document);
-
- }(this, document));
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