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@source http://purl.eligrey.com/github/classList.js/blob/master/classList.js */\n\nif (\"document\" in self) {\n\n// Full polyfill for browsers with no classList support\n// Including IE < Edge missing SVGElement.classList\nif (!(\"classList\" in document.createElement(\"_\")) \n\t|| document.createElementNS && !(\"classList\" in document.createElementNS(\"http://www.w3.org/2000/svg\",\"g\"))) {\n\n(function (view) {\n\n\"use strict\";\n\nif (!('Element' in view)) return;\n\nvar\n\t  classListProp = \"classList\"\n\t, protoProp = \"prototype\"\n\t, elemCtrProto = view.Element[protoProp]\n\t, objCtr = Object\n\t, strTrim = String[protoProp].trim || function () {\n\t\treturn this.replace(/^\\s+|\\s+$/g, \"\");\n\t}\n\t, arrIndexOf = Array[protoProp].indexOf || function (item) {\n\t\tvar\n\t\t\t  i = 0\n\t\t\t, len = this.length\n\t\t;\n\t\tfor (; i < len; i++) {\n\t\t\tif (i in this && this[i] === item) {\n\t\t\t\treturn i;\n\t\t\t}\n\t\t}\n\t\treturn -1;\n\t}\n\t// Vendors: please allow content code to instantiate DOMExceptions\n\t, DOMEx = function (type, message) {\n\t\tthis.name = type;\n\t\tthis.code = DOMException[type];\n\t\tthis.message = message;\n\t}\n\t, checkTokenAndGetIndex = function (classList, token) {\n\t\tif (token === \"\") {\n\t\t\tthrow new DOMEx(\n\t\t\t\t  \"SYNTAX_ERR\"\n\t\t\t\t, \"An invalid or illegal string was specified\"\n\t\t\t);\n\t\t}\n\t\tif (/\\s/.test(token)) {\n\t\t\tthrow new DOMEx(\n\t\t\t\t  \"INVALID_CHARACTER_ERR\"\n\t\t\t\t, \"String contains an invalid character\"\n\t\t\t);\n\t\t}\n\t\treturn arrIndexOf.call(classList, token);\n\t}\n\t, ClassList = function (elem) {\n\t\tvar\n\t\t\t  trimmedClasses = strTrim.call(elem.getAttribute(\"class\") || \"\")\n\t\t\t, classes = trimmedClasses ? trimmedClasses.split(/\\s+/) : []\n\t\t\t, i = 0\n\t\t\t, len = classes.length\n\t\t;\n\t\tfor (; i < len; i++) {\n\t\t\tthis.push(classes[i]);\n\t\t}\n\t\tthis._updateClassName = function () {\n\t\t\telem.setAttribute(\"class\", this.toString());\n\t\t};\n\t}\n\t, classListProto = ClassList[protoProp] = []\n\t, classListGetter = function () {\n\t\treturn new ClassList(this);\n\t}\n;\n// Most DOMException implementations don't allow calling DOMException's toString()\n// on non-DOMExceptions. 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