Browser MapReduce + Charting

Having dabbled in Mongo a bit, I was curious if there was an analog for MapReduce style functionality in browser JavaScript.

I found a small script as a starting point, but made some minor modifications to support array inputs:

I then  plugged in my custom map/reduce functions:

Now can I call it like so:

This yields the following result:

Pretty nifty!  And this data can then be fed into flot for charting purposes.

Sample (with flot example) is attached:

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