--- /dev/null
+var $ = require('../internals/export');
+var copyWithin = require('../internals/array-copy-within');
+var addToUnscopables = require('../internals/add-to-unscopables');
+
+// `Array.prototype.copyWithin` method
+// https://tc39.github.io/ecma262/#sec-array.prototype.copywithin
+$({ target: 'Array', proto: true }, {
+ copyWithin: copyWithin
+});
+
+// https://tc39.github.io/ecma262/#sec-array.prototype-@@unscopables
+addToUnscopables('copyWithin');