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/*! @source https://github.com/remy/polyfills/blob/master/dataset.js */
(function(){function c(){d=!0;this.removeEventListener("DOMAttrModified",c,!1)}function g(b){return b.replace(h,function(b,a){return a.toUpperCase()})}function e(){var b={};i.call(this.attributes,function(a){if(f=a.name.match(j))b[g(f[1])]=a.value});return b}var i=[].forEach,j=/^data-(.+)/,h=/\-([a-z])/ig,a=document.createElement("div"),d=!1,f;a.dataset==void 0&&(a.addEventListener("DOMAttrModified",c,!1),a.setAttribute("foo","bar"),Element.prototype.__defineGetter__("dataset",d?function(){if(!this._datasetCache)this._datasetCache=e.call(this);return this._datasetCache}:e),document.addEventListener("DOMAttrModified",function(a){delete a.target._datasetCache},!1))})();
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