According to this page it would seem like they don\'t, in the sense that they don\'t actually run it, but that page is 2 years old (judging from the copyright info).
I know the general consensus is that google does not process javascript or index anything with a tag, however, the general consensus appears incorrect.
Try searching for the following, with the surrounding quotes (or click here):
"Samsung Public Interest Statement by Thomas Fusco, Fish & Richardson P.C., for Samsung."
You should only get one result. Now click on that result (or just click here) and view the source.
Do a CTRL-F for the text you searched for in Google. Notice that the text is in a javascript variable, and not html. Google must be processing some javascript to pull those words into its index.