no, I don't think there's any. `Array<T>` is...

# getting-started

[vilmos.nagy]

no, I don't think there's any.
Array<T> is a very basic type, both on the JVM and in the JS.
I think there's a lot more differencies between any Map implementation on the JVM and on the JS backend.
(also, you could possibly write val hmap = HashMap<String, String>(), but that'll work only on the JVM)