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(function(window){function classReg(className){return new RegExp("(^|\\s+)"+className+"(\\s+|$)")}var hasClass,addClass,removeClass;if("classList" in document.documentElement){hasClass=function(elem,c){return elem.classList.contains(c)};addClass=function(elem,c){elem.classList.add(c)};removeClass=function(elem,c){elem.classList.remove(c)}}else{hasClass=function(elem,c){return classReg(c).test(elem.className)};addClass=function(elem,c){if(!hasClass(elem,c)){elem.className=elem.className+" "+c}};removeClass=function(elem,c){elem.className=elem.className.replace(classReg(c)," ")}}function toggleClass(elem,c){var fn=hasClass(elem,c)?removeClass:addClass;fn(elem,c)}var classie={hasClass:hasClass,addClass:addClass,removeClass:removeClass,toggleClass:toggleClass,has:hasClass,add:addClass,remove:removeClass,toggle:toggleClass};if(typeof define==="function"&&define.amd){define(classie)}else{if(typeof exports==="object"){module.exports=classie}else{window.classie=classie}}})(window);
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