This gives Google’s spider, GoogleBot, the ability to read comments in AJAX or JavaScript, such as Facebook comments or Disqus comments and others that are dynamically loaded via AJAX or JavaScript.

Google has started indexing AJAX and JavaScript content. This includes, for example, the Facebook Comments Box many sites use to power their commenting system.

Also, while NASA didn’t reply to The Verge’s request for comment, this JWST documentation page published in 2017 mentions “event-driven science operations,” which is pretty much exactly ...