--- /dev/null
+var global = require('../internals/global');
+var DOMIterables = require('../internals/dom-iterables');
+var forEach = require('../internals/array-for-each');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+
+for (var COLLECTION_NAME in DOMIterables) {
+ var Collection = global[COLLECTION_NAME];
+ var CollectionPrototype = Collection && Collection.prototype;
+ // some Chrome versions have non-configurable methods on DOMTokenList
+ if (CollectionPrototype && CollectionPrototype.forEach !== forEach) try {
+ createNonEnumerableProperty(CollectionPrototype, 'forEach', forEach);
+ } catch (error) {
+ CollectionPrototype.forEach = forEach;
+ }
+}