| 'use strict'; | 
| var globalThis = require('../internals/global-this'); | 
| var DOMIterables = require('../internals/dom-iterables'); | 
| var DOMTokenListPrototype = require('../internals/dom-token-list-prototype'); | 
| var ArrayIteratorMethods = require('../modules/es.array.iterator'); | 
| var createNonEnumerableProperty = require('../internals/create-non-enumerable-property'); | 
| var setToStringTag = require('../internals/set-to-string-tag'); | 
| var wellKnownSymbol = require('../internals/well-known-symbol'); | 
|   | 
| var ITERATOR = wellKnownSymbol('iterator'); | 
| var ArrayValues = ArrayIteratorMethods.values; | 
|   | 
| var handlePrototype = function (CollectionPrototype, COLLECTION_NAME) { | 
|   if (CollectionPrototype) { | 
|     // some Chrome versions have non-configurable methods on DOMTokenList | 
|     if (CollectionPrototype[ITERATOR] !== ArrayValues) try { | 
|       createNonEnumerableProperty(CollectionPrototype, ITERATOR, ArrayValues); | 
|     } catch (error) { | 
|       CollectionPrototype[ITERATOR] = ArrayValues; | 
|     } | 
|     setToStringTag(CollectionPrototype, COLLECTION_NAME, true); | 
|     if (DOMIterables[COLLECTION_NAME]) for (var METHOD_NAME in ArrayIteratorMethods) { | 
|       // some Chrome versions have non-configurable methods on DOMTokenList | 
|       if (CollectionPrototype[METHOD_NAME] !== ArrayIteratorMethods[METHOD_NAME]) try { | 
|         createNonEnumerableProperty(CollectionPrototype, METHOD_NAME, ArrayIteratorMethods[METHOD_NAME]); | 
|       } catch (error) { | 
|         CollectionPrototype[METHOD_NAME] = ArrayIteratorMethods[METHOD_NAME]; | 
|       } | 
|     } | 
|   } | 
| }; | 
|   | 
| for (var COLLECTION_NAME in DOMIterables) { | 
|   handlePrototype(globalThis[COLLECTION_NAME] && globalThis[COLLECTION_NAME].prototype, COLLECTION_NAME); | 
| } | 
|   | 
| handlePrototype(DOMTokenListPrototype, 'DOMTokenList'); |