Add note about cypto.randomUUID()

README_js.md

@@ -32,7 +32,11 @@ For the creation of [RFC4122](https://www.ietf.org/rfc/rfc4122.txt) UUIDs
 - **Small** - Zero-dependency, small footprint, plays nice with "tree shaking" packagers
 - **CLI** - Includes the [`uuid` command line](#command-line) utility
 
-**Upgrading from `uuid@3`?** Your code is probably okay, but check out [Upgrading From `uuid@3`](#upgrading-from-uuid3) for details.
+> **Note**
+> Upgrading from `uuid@3`? Your code is probably okay, but check out [Upgrading From `uuid@3`](#upgrading-from-uuid3) for details.
+
+> **Note**
+> Only interested in creating a version 4 UUID? You might be able to use [`cypto.randomUUID()`](https://developer.mozilla.org/en-US/docs/Web/API/Crypto/randomUUID), eliminating the need to install this library.
 
 ## Quickstart