--- /dev/null
+var global = require('../internals/global');
+var DOMIterables = require('../internals/dom-iterables');
+var ArrayIteratorMethods = require('../modules/es.array.iterator');
+var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
+var wellKnownSymbol = require('../internals/well-known-symbol');
+
+var ITERATOR = wellKnownSymbol('iterator');
+var TO_STRING_TAG = wellKnownSymbol('toStringTag');
+var ArrayValues = ArrayIteratorMethods.values;
+
+for (var COLLECTION_NAME in DOMIterables) {
+ var Collection = global[COLLECTION_NAME];
+ var CollectionPrototype = Collection && Collection.prototype;
+ 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;
+ }
+ if (!CollectionPrototype[TO_STRING_TAG]) {
+ createNonEnumerableProperty(CollectionPrototype, TO_STRING_TAG, COLLECTION_NAME);
+ }
+ 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];
+ }
+ }
+ }
+}