This is a work-in-progress (well, more like mostly complete).
$ npm install hashmap-jdk
Using a browser (Bower support coming soon) :
If you want to give it a try, you can download the latest master version, it's usually stable. There is also a minified version.
To run the tests:
$ npm test
Sometimes you need more than a simple HashMap
Never use a shotgun when a flyswatter will do
If you need a simple HashMap that gets the job done, I invite you to head over HashMap by Ariel Flesler, the key hashing portion of my code is inspired by his work.