1 // in old WebKit versions, `element.classList` is not an instance of global `DOMTokenList`
2 var documentCreateElement = require('../internals/document-create-element');
4 var classList = documentCreateElement('span').classList;
5 var DOMTokenListPrototype = classList && classList.constructor && classList.constructor.prototype;
7 module.exports = DOMTokenListPrototype === Object.prototype ? undefined : DOMTokenListPrototype;