How can I tell if a google bot is reading my javascript generated content?
I have an AJAX script that generates some text dynamically on a page... this content does
JavaScript generated content is not indexed by search engines. See this question for more info.
I would run it through Google's Webmaster tools site, which has a function to view your page as Googlebot. You may be able to determine it's visibility through there.
https://www.google.com/webmasters/tools/home?hl=en
It doesn't. As far as I know, Google does not yet support JavaScript (or, in fact, any form of dynamic content).
If you're considering developing a full-blown AJAX website, Google says there's a way of making AJAX applications crawlable.
Short answer: there's an agreement between crawler and server on URIs.