Defines the TReturn type used for built-in iterators produced by Array, Map, Set, and others. This is undefined when strictBuiltInIteratorReturn is true; otherwise, this is any.
TReturn
Array
Map
Set
undefined
strictBuiltInIteratorReturn
true
any
Defines the
TReturntype used for built-in iterators produced byArray,Map,Set, and others. This isundefinedwhenstrictBuiltInIteratorReturnistrue; otherwise, this isany.