Perhaps I was too terse in my comment and earned myself down votes. Realistically, if you are shipping software in the real world where it could run on older b

Perhaps I was too terse in my comment and earned myself down votes. Realistically, if you are shipping software in the real world where it could run on older browsers, you do need to use something like bluebird just to get uniform support. Not to mention things like maps/each/joins/timeouts that you will likely need for anything non-trivial.