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Filename : web.dom-collections.iterator.js
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'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');